STK20C04-W35 datasheet, PDF - EEWORLD Datasheet

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STK20C04-W35: DescriptionCMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM; File Size59KB，8 Pages; ManufacturerETC

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STK20C04-W35 Overview

CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM

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STK20C04

CMOS nvSRAM

High Performance

512 x 8 Nonvolatile Static RAM

FEATURES

•

30, 35 and 45ns Access Times

15, 20 and 25ns Output Enable Access

Unlimited Read and Write to

SRAM

Hardware

STORE

Initiation

Automatic

STORE

Timing

STORE

cycles to

EEPROM

10 year data retention in

EEPROM

Automatic

RECALL

on Power Up

Hardware

RECALL

Initiation

Unlimited

RECALL

cycles from

EEPROM

Single 5V±10% Operation

Commercial and Industrial Temperatures

Available in 600 mil PDIP package

DESCRIPTION

The Simtek STK20C04 is a fast static

RAM

(30, 35,

45ns), with a nonvolatile electrically-erasable

PROM

(

EEPROM

) element incorporated in each static memory

cell. The

SRAM

can be read and written an unlimited

number of times, while independent nonvolatile data

resides in

EEPROM

. Data may easily be transferred

from the

SRAM

to the

EEPROM

(

STORE

), or from the

EEPROM

to the

SRAM

(

RECALL

) using the NE pin. It

combines the high performance and ease of use of a

fast

SRAM

with nonvolatile data integrity.

The STK20C04 features the industry standard pinout

for nonvolatile

RAM

s in a 28-pin 600 mil plastic DIP.

LOGIC BLOCK DIAGRAM

EEPROM ARRAY

64 X 64

STORE

ROW DECODER

PIN CONFIGURATIONS

STATIC RAM

ARRAY

64 X 64

RECALL

28 - 600 PDIP

INPUT BUFFERS

COLUMN I/O

STORE/

RECALL

CONTROL

COLUMN DECODER

PIN NAMES

- A

- DQ

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Nonvolatile Enable

Power (+5V)

Ground

2-39

STK20C04-W35 Related Products

	STK20C04-W35	STK20C04	STK20C04-30	STK20C04-35	STK20C04-45	STK20C04-W30	STK20C04-W30I	STK20C04-W35I	STK20C04-W45	STK20C04-W45I
Description	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM	CMOS nvSRAM High Performance 512 x 8 Nonvolatile Static RAM

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