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INDEX
MX27C1000/1001
1M-BIT [128K x 8] CMOS EPROM
FEATURES
• • • • • •
128K x 8 organization Single +5V power supply +12.5V programming voltage Fast access time: 45/55/70/90/100/120/150 ns Totally static operation Completely TTL compatible
• Operating current: 30mA • Standby current: 100uA • Package type:
32 pin ceramic DIP, plastic DIP 32 pin SOP 32 pin PLCC 32 pin TSOP
GENERAL DESCRIPTION
The MX27C1000/1001 is a 5V only, 1M-bit, ultraviolet Erasable Programmable Read Only Memory. It is organized as 128K words by 8 bits per word, operates from a single + 5 volt supply, has a static standby mode, and features fast single address location programming. All programming signals are TTL levels, requiring a single pulse. For programming outside from the system, existing EPROM programmers may be used. The MX27C1000/ 1001 supports an intelligent fast programming algorithm which can result in programming time of less than thirty seconds. This EPROM is packaged in industry standard 32 pin dual-in-line packages, 32 lead PLCC , 32 lead SOP , and 32 lead TSOP packages.
PIN CONFIGURATIONS
CDIP/PDIP/SOP
VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC PGM NC A14 A13 A8 A9 A11 OE A10 CE Q7 Q6 Q5 Q4 Q3
CDIP/PDIP/SOP(MX27C1001)
VPP OE A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC PGM NC A14 A13 A8 A9 A11 A16 A10 CE Q7 Q6 Q5 Q4 Q3
MX27C1000
PLCC
PGM VCC VPP A12 A15 A16 NC
TSOP(MX27C1000)
A11 A9 A8 A13 A14 NC PGM VCC VPP A16 A15 A12 A7 A6 A5 A4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE A10 CE Q7 Q6 Q5 Q4 Q3 GND Q2 Q1 Q0 A0 A1 A2 A3
A7 A6 A5 A4 A3 A2 A1 A0 Q0
5
4
1
32
30 29
A14 A13 A8 A9
9
MX27C1000
25
A11 OE A10 CE
MX27C1000
13 14
Q1 Q2 GND
17
Q3 Q4 Q5
21 20
Q6
Q7
MX27C1001
P/N: PM0234
1
REV. 5.3, MAY 07, 1998
INDEX
MX27C1000/1001
BLOCK DIAGRAM
CE PGM OE CONTROL LOGIC OUTPUT BUFFERS Q0~Q17
PIN DESCRIPTION
SYMBOL A0~A16 Q0~Q7 PIN NAME Address Input Data Input/Output Chip Enable Input Output Enable Input Programmable Enable Input Program Supply Voltage No Internal Connection Power Supply Pin (+5V) Ground Pin
. . A0~A16 ADDRESS INPUTS . . . . . . VCC GND
Y-DECODER
. . . . . . . .
CE
Y-SELECT
OE
1M BIT CELL MAXTRIX
PGM VPP NC VCC
X-DECODER
VPP
GND
FUNCTIONAL DESCRIPTION
THE ERASURE OF THE MX27C1000/1001 The MX27C1000/1001 is erased by exposing the chip to an ultraviolet light source. A dosage of 15 W seconds/ cm2 is required to completely erase a MX27C1000/1001 This dosage can be obtained by exposure to an ultraviolet lamp - wavelength of 2537 Angstroms (A) - with intensity of 12,000 uW/cm2 for 15 to 20 minutes. The MX27C1000/ 1001 should be directly under and about one inch from the source and all filters should be removed from the UV light source prior to erasure. It is import.