AUGUST 2010 1024K X 16 BIT LOW POWER CMOS SRAM FEATURES
• • • • • • Process Technology : 0.15μm Full CMOS Organization : 1M x 16 bit Power Supply Voltage : 2.7V ~ 3.6V Low Data Retention Voltage : 1.5V(Min.) Three state output and TTL Compatible Package Type : 48-FPBGA
AS6C1616A
GENERAL DESCRIPTION
TheAS6C1616A - 55%,1 is fabricated by Alliance's advanced full CMOS process technology. The device supports industrial temperature range and Chip Scale Package for user flexibility of system design. The device also supports low data retention voltage for battery backup operation with low data retention current.
PRODUCT FAMILY
Power Dissipation Product Family Operating Temperature Industrial (-40 ~ 85oC) Vcc Range Speed Standby (ISB1, Typ.) 4 μA1) Operating (ICC1.Max.) 8 mA PKG Type
AS6C1616A - 55 BIN
2.7 ~ 3.6 V
55ns
48-FPBGA
1. Typical values are measured at Vcc=3.3V, TA=25oC and not 100% tested.
FUNCTIONAL BLOCK DIAGRAM
Pre-charge Circuit
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10
VCC
Row Select
VSS
Memory Array 1M x 16
DQ0 ~ DQ7 DQ8 ~ DQ15
Data Cont
Data Cont
I/O Circuit Column Select
A11 A12 A13 A14 A15 A16 A17 A18 A19
WE OE UB LB CS1 CS2
Control Logic
1
AUGUST 2010 1024K X 16 BIT LOW POWER CMOS SRAM PIN CONFIGURATIONS
FPBGA-48 : Top view(ball down)
1 A B C D E F G H
LB DQ8 DQ9 VSS VCC DQ14 DQ15 A18
AS6C1616A
2
OE UB DQ10 DQ11 DQ12 DQ13 A19 A8
3
A0 A3 A5 A17 NC A14 A12 A9
4
A1 A4 A6 A7 A16 A15 A13 A10
5
A2 CS1 DQ1 DQ3 DQ4 DQ5 WE A11
6
CS2 DQ0 DQ2 VCC VSS DQ6 DQ7 NC
PIN DESCRIPTION
Name CS1, CS2 OE WE A0~A19 DQ0~DQ15 Function Chip Select inputs Output Enable input Write Enable input Address inputs Data inputs/outputs Name VCC VSS UB LB NC Function Power Supply Ground Upper Byte (DQ8~DQ15) Lower Byte (DQ0~DQ7) No Connection
2
AUGUST 2010 1024K X 16 BIT LOW POWER CMOS SRAM ABSOLUTE MAXIMUM RATINGS1)
Parameter Voltage on Any Pin Relative to Vss Voltage on Vcc supply relative to Vss Power Dissipation Operating Temperature Symbol VIN, VOUT VCC PD TA Ratings -0.2 to 4.0 -0.2 to 4.0 1.0 -40 to 85
AS6C1616A
Unit V V W
o
C
1. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. Functional operation should be restricted to recommended operating condition. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
FUNCTIONAL DESCRIPTION
CS1 H X X L L L L L L L L CS2 X L X H H H H H H H H OE X X X H H L L L X X X WE X X X H H H H H L L L LB X X H L X L H L L H L UB X X H X L H L L H L L DQ0~7 High-Z High-Z High-Z High-Z High-Z Data Out High-Z Data Out Data In High-Z Data In DQ8~15 High-Z High-Z High-Z High-Z High-Z High-Z Data Out Data Out High-Z Data In Data In Mode Deselected Deselected Deselected Output Disabled Output Disabled Lower Byte Read Upper Byte Read Word Read Lower Byte Write Upper Byte Write Word Write Power Stand by Stand by Stand by Active Active Active Active Active Active Active Active
NOTE : X means don’t care. (Must be low or high state)
3
AUGUST 2010 1024K X 16 BIT LOW POWER CMOS SRAM RECOMMENDED DC OPERATING CONDITIONS 1)
Parameter Supply voltage Ground Input high voltage Input low voltage
1. 2. 3. 4.
AS6C1616A
Symbol VCC VSS VIH VIL
Min 2.7 0 2.2 -0.23)
Typ 3.3 0 -
Max 3.6 0 VCC + 0.22) 0.6
Unit V V V V
TA= -40 to 85oC, otherwise specified Overshoot: VCC +2.0 V in case of pulse width < 20ns Undershoot: -2.0 V in case of pulse width < 20ns Overshoot and undershoot are sampled, not 100% tested.
CAPACITANCE1) (f =1MHz, TA=25oC)
Item Input capacitance Input/Ouput capacitance
1. Capacitance is sampled, not 100% tested
Symbol CIN CIO
Test Condition VIN=0V VIO=0V
Min -
Max 8 10
Unit pF pF
DC AND OPERATING CHARACTERISTICS
Parameter Input leakage current Output leakage current Operating power supply Symbol ILI ILO ICC ICC1 Average operating current ICC2
VIN=VSS to VCC CS1=VIH or CS2=VIL or OE=VIH or WE=VIL or LB=UB=VIH VIO=VSS to VCC IIO=0mA, CS1=VIL, CS2=WE=VIH, VIN=VIH or VIL Cycle time=1μs, 100% duty, IIO=0mA, CS1<0.2V, CS2>VCC-0.2V, LB<0.2V or/and UB<0.2V, VIN<0.2V or VIN>VCC-0.2V Cycle time = Min, IIO=0mA, 100% duty, CS1=VIL, CS2=VIH, LB=VIL or/and UB=VIL , VIN=VIL or VIH IOL = 2.1mA IOH = -1.0mA CS1=VIH, CS2=VIL, Other inputs=VIH or VIL CS1>VCC-0.2V, CS2>VCC-0.2V (CS1 controlled) or 0V