STK17T88-RF45 datasheet(6/28 Pages) SIMTEK

Part #	STK17T88-RF45

Description	32K x 8 AutoStore nvSRAM

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Manufacturer	SIMTEK [Simtek Corporation]

Direct Link	http://www.simtek.com

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6

March 2007

Document Control #ML0024 Rev 1.7

STK17T88

SRAM READ CYCLES #1 & #2

Note c: W must be high during SRAM READ cycles.

Note d: Device is continuously selected with E and G both low

Note e: Measured

± 200mV from steady state output voltage.

Note f: HSB must remain high during READ and WRITE cycles.

SRAM READ CYCLE #1:

Address Controlledc,d,f

SRAM READ CYCLE #2:

E Controlleda,f

NO.

SYMBOLS

PARAMETER

STK17T88-25

STK17T88-45

UNITS

#1

#2

Alt.

MIN

MAX

MIN

MAX

1

tELQV

tACS

Chip Enable Access Time

25

45

ns

2

tAVAVc

tAVAVe

tRC

Read Cycle Time

25

45

ns

3

tAVQVd

tAVQVf

tAA

Address Access Time

25

45

ns

4

tGLQV

tOE

Output Enable to Data Valid

12

20

ns

5

tAXQXd

tAXQX

tOH

Output Hold after Address Change

3

ns

6

tELQX

tLZ

Chip Enable to Output Active

3

ns

7

tEHQZ

tHZ

Chip Disable to Output Inactive

10

15

ns

8

tGLQX

tOLZ

Output Enable to Output Active

0

ns

9

tGHQZe

tOHZ

Output Disable to Output Inactive

10

15

ns

10

tELICCLc

tPA

Chip Enable to Power Active

0

ns

11

tEHICCHc

tPS

Chip Disable to Power Standby

25

45

ns

DATA VALID

5

t AXQX

3

t AVQV

DQ (DATA OUT)

ADDRESS

2

t AVAV

6

tELQ X

ST AND BY

DAT A VAL ID

4

tGL QV

DQ (D ATA OUT)

E

ADDR ESS

2

tAVAV

G

ICC

AC T IVE

10

tELI CC H

11

tEHI CC L

7

tEHQ Z

8

tGL QX

1

tEL Q V

9

tGH Q Z

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