 English |
|
|
|
|
|
|
|
| DS1743 Datasheet, PDF (13/16 Pages) Dallas Semiconductor – Y2KC Nonvolatile Timekeeping RAM | |||
| |||
| ◁ |
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
POWER-UP/DOWN CHARACTERISTICSâ5V
(VCC = 5.0V ±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL MIN
CE or WE at VIH, CE2 at VIL, Before
Power-Down
tPD
0
VCC Fall Time: VPF(MAX) to VPF(MIN)
tF
300
VCC Fall Time: VPF(MIN) to VSO
tFB
10
VCC Rise Time: VPF(MIN) to VPF(MAX)
tR
0
Power-Up Recover Time
tREC
Expected Data-Retention Time
(Oscillator On)
tDR
10
TYP
MAX
35
UNITS
μs
μs
μs
μs
ms
years
NOTES
6, 7
POWER-UP/DOWN TIMING (5V DEVICE)
13 of 16
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese