器件名称: W24512AS-25
功能描述: 64K X 8 HIGH SPEED CMOS STATIC RAM
文件大小: 214.36KB 共10页
简 介:W24512A 64K × 8 HIGH SPEED CMOS STATIC RAM
GENERAL DESCRIPTION
The W24512A is a high speed, low power CMOS static RAM organized as 65536 × 8 bits that operates on a single 5-volt power supply. This device is manufactured using Winbond's high performance CMOS technology.
FEATURES
High speed access time: 25 nS (max.) Low power consumption: Active: 800 mW (max.) Single +5V power supply Fully static operation
All inputs and outputs directly TTL compatible Three-state outputs Available packages: 32-pin 300 mil SOJ, 450 mil SOP, and standard type one TSOP (8 mm × 20 mm)
PIN CONFIGURATIONS
BLOCK DIAGRAM
V DD
NC NC A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O 1 I/O 2 I/O 3 VSS
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
VDD A15 CS2 WE A13 A8 A9 A11 OE A1 0 CS1 I/O 8 I/O 7 I/O 6 I/O 5 I/O 4
V SS A0 . . A15
DECODER
CORE ARRAY
CS2 CS1 OE WE
CONTROL
DATA I/O
I/O1 . . I/O8
PIN DESCRIPTION
SYMBOL A0A15
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 OE A10 CS1 I/O8 I/O7 I/O6 I/O5 I/O4 VSS I/O3 I/O2 I/O1 A0 A1 A2 A3
DESCRIPTION Address Inputs Data Inputs/Outputs Chip Select Inputs Write Enable Input Output Enable Input Power Supply Ground No Connection
A11 A9 A8 A13 WE CS2 A15 VDD NC NC A14 A12 A7 A6 A5 A4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
I/O1I/O8 CS1, CS2 WE OE VDD VSS NC
32-pin TSOP
-1-
Publication Release Date: April 1997 Revision A3
W24512A
TRUTH TABLE
CS1 H X L L L CS2 X L H H H OE X X H L X WE X X H H L MODE N……
