STK14D88-NF25I datasheet(6/15 Pages) ETC

部品番号	STK14D88-NF25I

部品情報	32K x 8 AutoStore nvSRAM CMOS Nonvolatile Static RAM

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STK14D88

April 2005

Document Control #ML0033 rev 1.2

6

SRAM WRITE CYCLES #1 & #2

Notes

g: If W

is low when E goes low, the outputs remain in the high-impedance state.

h: E

or W

must be ≥ VIH during address transitions.

SRAM WRITE CYCLE #1:

W Controlledh,f

SRAM WRITE CYCLE #2:

E Controlledh,f

SYMBOLS

STK14D88-25

STK14D88-35

STK14D88-45

UNITS

NO.

#1

#2

Alt.

PARAMETER

MIN

MAX

MIN

MAX

MIN

MAX

12

tAVAV

tWC

Write Cycle Time

25

35

45

ns

13

tWLWH

tWLEH

tWP

Write Pulse Width

20

25

30

ns

14

tELWH

tELEH

tCW

Chip Enable to End of Write

20

25

30

ns

15

tDVWH

tDVEH

tDW

Data Set-up to End of Write

10

12

15

ns

16

tWHDX

tEHDX

tDH

Data Hold after End of Write

0

ns

17

tAVWH

tAVEH

tAW

Address Set-up to End of Write

20

25

30

ns

18

tAVWL

tAVEL

tAS

Address Set-up to Start of Write

0

ns

19

tWHAX

tEHAX

tWR

Address Hold after End of Write

0

ns

20

tWLQZe,g

tWZ

Write Enable to Output Disable

10

13

15

ns

21

tWHQX

tOW

Output Active after End of Write

3

ns

ADDRESS

DATA OUT

DATA IN

W

E

ADDRESS

HIGH IMPEDANCE

DATA VALID

PREVIOUS DATA

14

tELWH

19

tWHAX

17

tAVWH

18

tAVWL

13

tWLWH

15

tDVWH

16

tWHDX

20

tWLQZ

21

tWHQX

12

tAVAV

DATA OUT

DATA IN

W

E

HIGH IMPEDANCE

DATA VALID

12

tAVAV

14

tELEH

18

tAVEL

19

tEHAX

17

tAVEH

13

tWLEH

15

tDVEH

16

tEHDX

同様の部品番号 - STK14D88-NF25I

メーカー	部品番号	データシート	部品情報
Simtek Corporation	STK14D88-NF25I	564Kb / 19P	32Kx8 Autostore nvSRAM
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	STK14D88-NF25ITR	564Kb / 19P	32Kx8 Autostore nvSRAM
	STK14D88-NF25ITR	519Kb / 20P	32Kx8 Autostore nvSRAM

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