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M68AF511A Datasheet(PDF) 3 Page - STMicroelectronics

Part No. M68AF511A
Description  4 Mbit (512K x8), 5V Asynchronous SRAM
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M68AF511A Datasheet(HTML) 3 Page - STMicroelectronics

 
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M68AF511A
SUMMARY DESCRIPTION
The M68AF511A is a 4 Mbit (4,194,304 bit) CMOS
SRAM, organized as 524,288 words by 8 bits. The
device features fully static operation requiring no
external clocks or timing strobes, with equal ad-
dress access and cycle times. It requires a single
4.5 to 5.5V supply.
This device has an automatic power-down feature,
reducing the power consumption by over 99%
when deselected.
The M68AF511A is available in a 32 lead TSOP
Type II and 32 lead SO packages.
Figure 2. Logic Diagram
Table 1. Signal Names
AI03948C
19
A0-A18
W
DQ0-DQ7
VCC
M68AF511A
G
VSS
8
E
A0-A18
Address Inputs
DQ0-DQ7
Data Input/Output
E
Chip Enable
G
Output Enable
W
Write Enable
VCC
Supply Voltage
VSS
Ground


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