NanoAmp Solutions
NanoAmp Solutions


N01L083WC2A

Ultra-low Power SRAMs


N01L083WC2A Datasheet PDF
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NanoAmp Solutions, Inc.
1982 Zanker Road, San Jose, CA 95112
ph: 408-573-8878, FAX: 408-573-8877
www.nanoamp.com
N01L083WC2A
1Mb Ultra-Low Power Asynchronous CMOS SRAM
128Kx8 bit
Overview
Features
The N01L083WC2A is an integrated memory
device containing a 1 Mbit Static Random Access
Memory organized as 131,072 words by 8 bits. The
device is designed and fabricated using
NanoAmp’s advanced CMOS technology to
provide both high-speed performance and ultra-low
power. The base design is the same as
NanoAmp’s N01L1618N1A, which is processed to
operate at lower voltages. The device operates
with two chip enable (CE1 and CE2) controls and
output enable (OE) to allow for easy memory
expansion. The N01L083WC2A is optimal for
various applications where low-power is critical
such as battery backup and hand-held devices.
The device can operate over a very wide
temperature range of -40oC to +85oC and is
available in JEDEC standard packages compatible
with other standard 128Kb x 8 SRAMs
Product Family
• Single Wide Power Supply Range
2.3 to 3.6 Volts
• Very low standby current
2.0µA at 3.0V (Typical)
• Very low operating current
2.0mA at 3.0V and 1µs (Typical)
• Very low Page Mode operating current
0.8mA at 3.0V and 1µs (Typical)
• Simple memory control
Dual Chip Enables (CE1and CE2)
Output Enable (OE) for memory expansion
• Low voltage data retention
Vcc = 1.8V
• Very fast output enable access time
30ns OE access time
• Automatic power down to standby mode
• TTL compatible three-state output driver
Part Number
Package
Type
N01L083WC2AT 32 - TSOP I
N01L083WC2AN 32 - STSOP I
N01L083WC2AS 32 SOP
Pin Configuration
Operating
Temperature
-40oC to +85oC
Power
Supply (Vcc)
Speed
Standby
Operating
Current (ISB), Current (Icc),
Typical
Typical
2.3V - 3.6V
55ns @ 2.7V
70ns @ 2.3V
2 µA
2 mA @ 1MHz
Pin Descriptions
A11
A9
A8
A13
WE
CE2
A15
VCC
NC
A16
A14
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32-Pin
STSOP-I
TSOP-I
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE1
I/O7
I/O6
I/O5
I/O4
I/O3
VSS
I/O2
I/O1
I/O0
A0
A1
A2
A3
NC 1
A16 2
32 VCC
31 A15
A14 3
30 CE2
A12 4
29 WE
A7 5
28 A13
A6 6
27 A8
A5 7
26 A9
A4 8
25 A11
A3 9
24 OE
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
VSS 16
23 A10
22 CE1
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
32-Pin
SOP
Pin Name
A0-A16
WE
CE1, CE2
OE
I/O0-I/O7
VCC
VSS
NC
Pin Function
Address Inputs
Write Enable Input
Chip Enable Input
Output Enable Input
Data Inputs/Outputs
Power
Ground
Not Connected
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
1


N01L083WC2A Datasheet PDF
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Functional Block Diagram
Address
IAn0p-utAs3
Word
Address
Decode
Logic
Address
Inputs
A4 - A16
Page
Address
Decode
Logic
8K Page
x 16 word
x 8 bit
RAM Array
CE1
CE2
WE
OE
Control
Logic
N01L083WC2A
Input/
Output
Mux
and
Buffers
I/O0 - I/O7
Functional Description
CE1 CE2 WE
OE
I/O0 - I/O7
MODE
POWER
HXXX
XLXX
L H L X2
High Z
High Z
Data In
Standby1
Standby1
Write2
Standby
Standby
Active
L HH L
L HHH
Data Out
High Z
Read
Active
Active
Active
1. When the device is in standby mode, control inputs (WE and OE), address inputs and data input/outputs are internally isolated
from any external influence and disabled from exerting any influence externally.
2. When WE is invoked, the OE input is internally disabled and has no effect on the circuit.
Capacitance1
Item
Symbol
Test Condition
Input Capacitance
I/O Capacitance
CIN VIN = 0V, f = 1 MHz, TA = 25oC
CI/O VIN = 0V, f = 1 MHz, TA = 25oC
1. These parameters are verified in device characterization and are not 100% tested
Min Max Unit
8 pF
8 pF
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
2


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N01L083WC2A
Absolute Maximum Ratings1
Item
Symbol
Rating
Unit
Voltage on any pin relative to VSS
Voltage on VCC Supply Relative to VSS
Power Dissipation
Storage Temperature
Operating Temperature
Soldering Temperature and Time
VIN,OUT
VCC
PD
TSTG
TA
TSOLDER
–0.3 to VCC+0.3
–0.3 to 4.5
500
–40 to 125
-40 to +85
240oC, 10sec(Lead only)
V
V
mW
oC
oC
oC
1. Stresses greater than those listed above may cause permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the operating section of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Operating Characteristics (Over Specified Temperature Range)
Item
Symbol
Test Conditions
Min.
Typ1
Max Unit
Supply Voltage
VCC
2.3 3.0 3.6 V
Data Retention Voltage
VDR Chip Disabled3
1.8
V
Input High Voltage
VIH
1.8 VCC+0.3 V
Input Low Voltage
VIL
–0.3 0.6 V
Output High Voltage
VOH
IOH = 0.2mA
VCC–0.2
V
Output Low Voltage
VOL IOL = -0.2mA
0.2 V
Input Leakage Current ILI VIN = 0 to VCC
0.5 µA
Output Leakage Current
ILO OE = VIH or Chip Disabled
0.5 µA
Read/Write Operating Supply Current
@ 1 µS Cycle Time2
ICC1
VCC=3.6 V, VIN=VIH or VIL
Chip Enabled, IOUT = 0
2.0 3.0 mA
Read/Write Operating Supply Current
@ 70 nS Cycle Time2
ICC2
VCC=3.6 V, VIN=VIH or VIL
Chip Enabled, IOUT = 0
9.5 14.0 mA
Page Mode Operating Supply Current
@ 70ns Cycle Time2 (Refer to Power
Savings with Page Mode Operation
ICC3
VCC=3.6 V, VIN=VIH or VIL
Chip Enabled, IOUT = 0,
4
mA
diagram)
Read/Write Quiescent Operating Sup-
ply Current3
ICC4
VCC=3.6 V, VIN=VIH or VIL
Chip Enabled, IOUT = 0,
f=0
3.0 mA
Maximum Standby Current3
VIN = VCC or 0V
ISB1 Chip Disabled
tA= 85oC, VCC = 3.6 V
2.0 20 µA
Maximum Data Retention Current3
IDR
Vcc = 1.8V, VIN = VCC or 0
Chip Disabled, tA= 85oC
10 µA
1. Typical values are measured at Vcc=Vcc Typ., TA=25°C and not 100% tested.
2. This parameter is specified with the outputs disabled to avoid external loading effects. The user must add current required to drive
output capacitance expected in the actual system.
3. This device assumes a standby mode if the chip is disabled (CE1 high or CE2 low). In order to achieve low standby current all
inputs must be within 0.2 volts of either VCC or VSS.
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
3


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N01L083WC2A
Power Savings with Page Mode Operation (WE = VIH)
Page Address (A4 - A16)
Word Address (A0 - A3)
CE1
CE2
OE
Word 1
Open page
Word 2
...
Word 16
Note: Page mode operation is a method of addressing the SRAM to save operating current. The internal
organization of the SRAM is optimized to allow this unique operating mode to be used as a valuable power
saving feature.
The only thing that needs to be done is to address the SRAM in a manner that the internal page is left open
and 8-bit words of data are read from the open page. By treating addresses A0-A3 as the least significant
bits and addressing the 16 words within the open page, power is reduced to the page mode value which is
considerably lower than standard operating currents for low power SRAMs.
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
4


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Timing Test Conditions
Item
Input Pulse Level
Input Rise and Fall Time
Input and Output Timing Reference Levels
Output Load
Operating Temperature
Timing
Item
Read Cycle Time
Address Access Time
Chip Enable to Valid Output
Output Enable to Valid Output
Chip Enable to Low-Z output
Output Enable to Low-Z Output
Chip Disable to High-Z Output
Output Disable to High-Z Output
Output Hold from Address Change
Write Cycle Time
Chip Enable to End of Write
Address Valid to End of Write
Write Pulse Width
Address Setup Time
Write Recovery Time
Write to High-Z Output
Data to Write Time Overlap
Data Hold from Write Time
End Write to Low-Z Output
Symbol
tRC
tAA
tCO
tOE
tLZ
tOLZ
tHZ
tOHZ
tOH
tWC
tCW
tAW
tWP
tAS
tWR
tWHZ
tDW
tDH
tOW
N01L083WC2A
0.1VCC to 0.9 VCC
5ns
0.5 VCC
CL = 30pF
-40 to +85 oC
2.3 - 3.6 V
Min.
Max.
70
70
70
35
10
5
0 20
0 20
10
70
50
50
40
0
0
20
40
0
5
2.7 - 3.6 V
Min.
Max.
55
55
55
30
10
5
0 15
0 15
10
55
45
45
35
0
0
15
35
0
5
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
5


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N01L083WC2A
Timing of Read Cycle (CE1 = OE = VIL, WE = CE2 = VIH)
tRC
Address
tAA
tOH
Data Out
Previous Data Valid
Timing Waveform of Read Cycle (WE=VIH)
Address
tRC
tAA
CE1
CE2
OE
Data Out
tCO
tLZ
tOE
High-Z
tOLZ
Data Valid
tHZ
tOHZ
Data Valid
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
6


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N01L083WC2A
Timing Waveform of Write Cycle (WE control)
tWC
Address
tAW
tWR
CE1
tCW
CE2
WE
Data In
Data Out
tAS
High-Z
tWHZ
tWP
tDW tDH
Data Valid
tOW
High-Z
Timing Waveform of Write Cycle (CE1 Control)
tWC
Address
tAW
CE1
(for CE2 Control, use
inverted signal)
tAS
tCW
tWR
WE
Data In
Data Out
tWP
tDW tDH
Data Valid
tLZ tWHZ High-Z
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
7


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32-Lead TSOP-I Package (T32)
18.40±0.10
8.0±0.10
20.0±0.20
DETAIL B
N01L083WC2A
0.50mm REF
0.27
0.17
SEE DETAIL B
1.10±0.15
0.20
0.00 0.80mm REF
Note:
1. All dimensions in millimeters
2. Package dimensions exclude molding flash
0o-8o
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
8


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32-Lead STSOP-I Package (N32)
8.0±0.10
11.80±0.10
13.40±0.20
DETAIL B
N01L083WC2A
0.50mm REF
0.27
0.17
SEE DETAIL B
1.10±0.15
0.20
0.00 0.80mm REF
Note:
1. All dimensions in millimeters
2. Package dimensions exclude molding flash
0o-8o
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
9


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32-Lead SOP Package
20.429±0.287
11.303±0.127
N01L083WC2A
14.132±0.244
0.35 - 0.50 1.27 Nom
Seating plane - 0.1 max
0.100 min
3.00 max
Note:
1. All dimensions in millimeters
2. Package dimensions exclude molding flash
0o-10o
0.788±0.204
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
10


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N01L083WC2A
Ordering Information
N01L083WC2AX-XX X
Temperature I = Industrial, -40°C to 85°C
Performance
Package Type
55 = 55ns
70 = 70ns
T = 32-pin TSOP
N = 32-pin STSOP
S = 32-pin SOP
Revision History
Revision #
01
02
03
04
05
Date
Jan 2001
Mar 2001
Dec. 2001
Nov. 2002
Dec. 2002
Change Description
Initial Advance Release
Added Table 3: Capacitance
Revised quiescent operating current, changed pin 31 to CE1, modified Pin
Description and Pin Configuration, other minor edits
Part number change from EM128L08, modified Overview and Features, added
Page Mode Operation diagram and Package diagrams, revised Operating Char-
acteristics table, Functional Description table, Timing diagrams, and Ordering
Information diagram
Replaced Isb and Icc on Product Family table with typical values
Add 32-pin SOP package
© 1999 - 2001 Nanoamp Solutions, Inc. All rights reserved.
NanoAmp Solutions, Inc. ("NanoAmp") reserves the right to change or modify the information contained in this data sheet and the products described therein, without prior notice.
NanoAmp does not convey any license under its patent rights nor the rights of others. Charts, drawings and schedules contained in this data sheet are provided for illustration pur-
poses only and they vary depending upon specific applications.
NanoAmp makes no warranty or guarantee regarding suitability of these products for any particular purpose, nor does NanoAmp assume any liability arising out of the application
or use of any product or circuit described herein. NanoAmp does not authorize use of its products as critical components in any application in which the failure of the NanoAmp
product may be expected to result in significant injury or death, including life support systems and critical medical instruments.
Stock No. 23033-05 12/02
The specifications of this device are subject to change without notice. For latest documentation see http://www.nanoamp.com.
11




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