 English |
|
|
|
|
|
|
|
| DS1743 Datasheet, PDF (14/16 Pages) Dallas Semiconductor – Y2KC Nonvolatile Timekeeping RAM | |||
| |||
| ◁ |
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
POWER-UP/DOWN CHARACTERISTICSâ3.3V
(VCC = 3.3V ±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL MIN
TYP
CE or WE at VIH, Before
Power-Down
tPD
0
VCC Fall Time: VPF(MAX) to VPF(MIN)
tF
300
VCC Rise Time: VPF(MIN) to VPF(MAX)
tR
0
VPF to RST High
tREC
Expected Data-Retention Time
(Oscillator On)
tDR
10
MAX
35
UNITS
μs
μs
μs
ms
years
NOTES
6, 7
POWER-UP/DOWN WAVEFORM TIMING (3.3V DEVICE)
CAPACITANCE
(TA = +25°C)
PARAMETER
Capacitance on All Input Pins
Capacitance on All Output Pins
SYMBOL
CIN
CO
MIN
TYP
MAX
7
10
UNITS
pF
pF
NOTES
14 of 16
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese