STK14C88-3NF45TR View Datasheet(PDF) - Simtek Corporation

Part Name

Description

MFG CO.

STK14C88-3NF45TR

32Kx8 AutoStore nvSRAM

Simtek Corporation 

STK14C88-3

HARDWARE MODE SELECTION

E

W

HSB

A13 - A0 (hex)

MODE

H

X

H

X

Not Selected

I/O

Output High Z

POWER

Standby

NOTES

L

H

H

X

Read SRAM

Output Data

Active

t

L

L

H

X

Write SRAM

Input Data

Active

X

X

L

X

Nonvolatile STORE

Output High Z

lCC2

m

Note m: HSB STORE operation occurs only if an SRAM WRITE has been done since the last nonvolatile cycle. After the STORE (if any) completes,

the part will go into standby mode, inhibiting all operations until HSB rises.

HARDWARE STORE CYCLE

(VCC = 3V - 3.6V)e

SYMBOLS

NO.

Standard

Alternate

22

tSTORE

tHLHZ

23

tDELAY

tHLQZ

24

tRECOVER

tHHQX

25

tHLHX

26

tHLBL

PARAMETER

STORE Cycle Duration

Time Allowed to Complete SRAM Cycle

Hardware STORE High to Inhibit Off

Hardware STORE Pulse Width

Hardware STORE Low to STORE Busy

STK14C88-3

MIN MAX

10

1

700

15

300

UNITS NOTES

ms

n

μs

n

ns

n, o

ns

ns

Note n: E and G low and W high for output behavior.

Note o: tRECOVER is only applicable after tSTORE is complete.

HARDWARE STORE CYCLE

25

tHLHX

HSB (IN)

22

tSTORE

24

tRECOVER

HSB (OUT)

DQ (DATA OUT)

HIGH IMPEDANCE

26

tHLBL

23

tDELAY

DATA VALID

HIGH IMPEDANCE

DATA VALID

Document Control #ML0015 Rev 2.0

7

Feb, 2008

Share Link: