8K x 8 CMOS STATIC RAM
W2465
8K × 8 CMOS STATIC RAM
GENERAL DESCRIPTION
The W2465 is a slow-speed, low-power CMOS static RAM organized as 819...
Description
W2465
8K × 8 CMOS STATIC RAM
GENERAL DESCRIPTION
The W2465 is a slow-speed, low-power CMOS static RAM organized as 8192 × 8 bits that operates
on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology.
FEATURES
Low power consumption: − Active: 250 mW (max.) − Standby: 100 µW (max.)(LL-version) 250 µW (max.)(L-version)
Access time: 70/100 nS (max.) Single +5V power supply Fully static operation
PIN CONFIGURATION
All inputs and outputs directly TTL compatible Three-state outputs Battery back-up operation capability Data retention voltage: 2V (min.) Available packages: 28-pin 600 mil DIP,
330 mil SOP and 300 mil skinny DIP
BLOCK DIAGRAM
NC A12
A7 A6 A5 A4 A3 A2 A1 A0 I/O1 I/O2 I/O3 VSS
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 VDD 27 WE 26 CS 25 A8 24 A9 23 A11 22 OE 21 A10 20 CS 19 I/O8 18 I/O7 17 I/O6 16 I/O5 15 I/O4
V DD
V SS
A0 . .
A12
DECODER
CS2 CS1 OE WE
CONTROL
CORE ARRAY
DATA I/...
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