STK20C04 Simtek Corporation, STK20C04 Datasheet

STK20C04

Manufacturer Part Number

STK20C04

Description

Density = 4K ;; Format = 512 X 8 ;; # of Pins = 28 ;; Access Time (ns MAX) = 25,35,45 ;; Initiated Store = Hardware ;; Production = Now ;; Volt = 5 ;; Temps Commercial Industrial Military = C/i

Manufacturer

Simtek Corporation

Datasheet

1.STK20C04.pdf (12 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STK20C04-W45I

Manufacturer:

DIODES

Quantity:

46 000

Company:

BOSTOCK HK LIMITED

Part Number:

STK20C04-W45I

Manufacturer:

SIMTEK

Quantity:

1 515

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BLOCK DIAGRAM

FEATURES

• 25ns, 35ns and 45ns Access Times

• STORE to Nonvolatile Elements Initiated by

• RECALL to SRAM Initiated by Hardware or

• Automatic STORE Timing

• 10mA Typical I

• Unlimited READ, WRITE and RECALL Cycles

• 1,000,000 STORE Cycles to Nonvolatile Ele-

• 100-Year Data Retention over Full Industrial

• Commercial and Industrial Temperatures

September 2003

Hardware

Power Restore

ments

Temperature Range

at 200ns Cycle Time

COLUMN DEC

STATIC RAM

COLUMN I/O

16 x 256

ARRAY

Quantum Trap

16 x 256

RECALL

STORE

DESCRIPTION

The Simtek STK20C04 is a fast static

volatile element incorporated in each static memory

cell. The

number of times, while independent nonvolatile data

resides in nonvolatile elements. Data may easily be

transferred from the

(the

ments to the

NE pin. Transfers from the Nonvolatile Elements to the

SRAM

matically on restoration of power. The STK20C04

combines the high performance and ease of use of a

fast

The STK20C04 features industry-standard pinout for

nonvolatile

Nonvolatile Static RAM

SRAM

QuantumTrap™ CMOS

STORE

Document Control # ML0001 rev 0.1

(the

CONTROL

RECALL

STORE/

SRAM

with nonvolatile data integrity.

RAM

RECALL

operation), or from the Nonvolatile Ele-

SRAM

s in a 28-pin 600 mil plastic

can be read and written an unlimited

512 x 8 nvSRAM

(the

SRAM

operation) also take place auto-

PIN CONFIGURATIONS

PIN NAMES

STK20C04

RECALL

- A

to the Nonvolatile Elements

- DQ

operation), using the

Address Inputs

Write Enable

Data In/Out

Chip Enable

Output Enable

Nonvolatile Enable

Power (+ 5V)

Ground

RAM

28 - 600 PDIP

with a non-

DIP

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