STK1744-D35I データシートの表示（PDF） - Unspecified

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コンポーネント説明

メーカー

STK1744-D35I

nvTime™ 32K x 8 AutoStore™ nvSRAM with Real-Time Clock

Unspecified 

AutoStore™/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 j: tRESTORE starts from the time VCC rises above VSWITCH.

AutoStore™/POWER-UP RECALL

VCC

5V

24

VSWITCH

25

VRESET

AutoStore™

POWER-UP RECALL

W

22

tRESTORE

DQ (DATA OUT)

STK1744

(VCC = 5.0V ± 10%)

STK1744

MIN MAX

550

10

UNITS NOTES

µs

j

ms

f

4.0

4.5

V

3.9

V

23

tSTORE

POWER-UP

RECALL

BROWN OUT

NO STORE DUE TO

NO SRAM WRITES

NO RECALL

(VCC DID NOT GO

BELOW VRESET)

BROWN OUT

AutoStore™

NO RECALL

(VCC DID NOT GO

BELOW VRESET)

BROWN OUT

AutoStore™

RECALL WHEN

VCC RETURNS

ABOVE VSWITCH

January 2003

5 Document Control # ML0020 rev 0.0

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