WRITE CYCLE TIMING DIAGRAM, WRITE ENABLE CONTROLLED
DS1742
WRITE CYCLE TIMING DIAGRAM, CE CONTROLLED
POWER-UP/DOWN CHARACTERISTICS
PARAMETER
(Over the Operating Range; VCC = 5.0V ± 10%)
SYMBOL MIN TYP MAX UNITS NOTES
CE or WE at VIH , Before
Power-Down
tPD
0
s
VCC Fall Time: VPF(MAX) to
VPF(MIN)
VCC Fall Time: VPF(MIN) to VSO
VCC Rise Time: VPF(MIN) to
VPF(MAX)
Power-up Recover Time
Expected Data Retention Time
(Oscillator On)
tF
300
tFB
10
tR
0
tREC
tDR
10
s
s
s
35
ms
years
5, 6
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