DS1742 Maxim, DS1742 Datasheet - Page 13

• Manufacturer Part Number: DS1742
• Description: The DS1742 is a full-function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) and 2k x 8 nonvolatile static RAM
• Manufacturer: Maxim

POWER-UP/POWER-DOWN CHARACTERISTICS (3.3V)
(V
POWER-UP/POWER-DOWN WAVEFORM TIMING (3.3V DEVICE)
CAPACITANCE
(T
Down
V
V
Power-Up Recovery Time
Expected Data Retention Time
(Oscillator On)
CE
Capacitance on All Input Pins
Capacitance on All Output
Pins
A
CC
CC
CC
= +25°C)
= 3.3V 10%, Over the operating range.)
or
Fall Time: V
Rise Time: V
WE
PARAMETER
at V
PARAMETER
IH
, Before Power-
PF(MAX)
PF(MIN)
to V
to V
PF(MIN)
PF(MAX)
SYMBOL
C
C
IN
O
SYMBOL
t
t
t
REC
t
PD
t
DR
13 of 16
R
F
MIN
MIN
300
10
0
0
TYP
TYP
MAX
MAX
10
7
35
UNITS
UNITS
years
ms
pF
pF
s
s
s
NOTES
NOTES
5, 6
DS1742