器件名称: W24512AS-25
功能描述: 64K X 8 HIGH SPEED CMOS STATIC RAM
文件大小: 200KB 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: 15/20/25/35 nS (max.) Low power consumption: Active: 500 mW (typ.) Single +5V power supply Fully static operation
All inputs and outputs directly TTL compatible Three-state outputs Available packages: 32-pin 300 mil SOJ, skinny DIP, 450 mil SOP, and standard type one TSOP
PIN CONFIGURATIONS
BLOCK DIAGRAM
V DD
NC NC A14 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 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
V DD A15 CS2 WE A13 A8 A9 A11 OE A1 0 CS1 I/O8 I/O7 I/O6 I/O5 I/O4
V SS A0 . . A15
DECODER
CORE C O RE ARRAY
CS2 CS1 OE WE
CONTROL
DATA I/O
I/O1 . . I/O8
PIN DESCRIPTION
SYMBOL A0A15 I/O1I/O8 CS1, CS2 WE OE VDD VSS NC 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 V DD NC NC A14 A12 A7 A6 A5 A4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32-pin TSOP
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 V SS I/O3 I/O2 I/O1 A0 A1 A2 A3
-1-
Publication Release Date: March 1999 Revision A7
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 ……
