STK11C88-S45 Просмотр технического описания (PDF) - Simtek Corporation

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STK11C88-S45

32K x 8 nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM

Simtek Corporation 

STORE INHIBIT/POWER-UP RECALL

SYMBOLS

NO.

Standard

PARAMETER

22

tRESTORE

23

tSTORE

24

VSWITCH

25

VRESET

Power-up RECALL Duration

STORE Cycle Duration

Low Voltage Trigger Level

Low Voltage Reset Level

Note l: tRESTORE starts from the time VCC rises above VSWITCH.

STORE INHIBIT/POWER-UP RECALL

VCC

5V

24

VSWITCH

25

VRESET

STORE INHIBIT

OWER-UP RECALL

DQ (DATA OUT)

22

tRESTORE

STK11C88

(VCC = 5.0V + 10%)b

STK11C88

MIN MAX

550

10

UNITS NOTES

µs

l

ms

4.0

4.5

V

3.9

V

POWER-UP

RECALL

BROWN OUT

STORE INHIBIT

NO RECALL

(VCC DID NOT GO

BELOW VRESET)

BROWN OUT

STORE INHIBIT

NO RECALL

(VCC DID NOT GO

BELOW VRESET)

BROWN OUT

STORE INHIBIT

RECALL WHEN

VCC RETURNS

ABOVE VSWITCH

July 1999

5-5

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