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M28C64-A20BS1T Datasheet

  • M28C64-A20BS1T

  • 64 Kbit 8K x 8 Parallel EEPROM With Software Data Protection

  • 154.81KB

  • 24頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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M28C64
64 Kbit (8K x 8) Parallel EEPROM
With Software Data Protection
s
Fast Access Time:
鈥?90 ns at V
CC
=5 V for M28C64 and M28C64-A
鈥?120 ns at V
CC
=3 V for M28C64-xxW
s
Single Supply Voltage:
鈥?4.5 V to 5.5 V for M28C64 and M28C64-A
鈥?2.7 V to 3.6 V for M28C64-xxW
28
s
s
Low Power Consumption
Fast BYTE and PAGE WRITE (up to 64 Bytes)
鈥?1 ms at V
CC
=4.5 V for M28C64-A
鈥?3 ms at V
CC
=4.5 V for M28C64
鈥?5 ms at V
CC
=2.7 V for M28C64-xxW
1
PDIP28 (BS)
PLCC32 (KA)
s
Enhanced Write Detection and Monitoring:
鈥?Ready/Busy Open Drain Output
鈥?Data Polling
鈥?Toggle Bit
鈥?Page Load Timer Status
1
28
s
s
s
s
JEDEC Approved Bytewide Pin-Out
Software Data Protection
100000 Erase/Write Cycles (minimum)
Data Retention (minimum):
鈥?40 Years for M28C64 and M28C64-xxW
鈥?10 Years for M28C64-A
SO28 (MS)
300 mil width
TSOP28 (NS)
8 x 13.4 mm
Figure 1. Logic Diagram
VCC
Table 1. Signal Names
13
A0-A12
DQ0-DQ7
W
E
G
RB
V
CC
V
SS
Address Input
Data Input / Output
Write Enable
Chip Enable
Output Enable
Ready / Busy
Supply Voltage
8
DQ0-DQ7
A0-A12
W
E
M28C64
RB
G
VSS
Ground
AI01350C
June 2000
1/24

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