DS1743 Maxim, DS1743 Datasheet - Page 14

• Manufacturer Part Number: DS1743
• Description: The DS1743 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 8k x 8 nonvolatile static RAM
• Manufacturer: Maxim

POWER-UP/DOWN CHARACTERISTICS—3.3V
(V
POWER-UP/DOWN WAVEFORM TIMING (3.3V DEVICE)
CAPACITANCE
(T
CE or WE at V
Power-Down
V
V
V
Expected Data-Retention Time
(Oscillator On)
Capacitance on All Input Pins
Capacitance on All Output Pins
A
CC
CC
CC
PF
= +25C)
= 3.3V 10%, T
to RST High
Fall Time: V
Rise Time: V
PARAMETER
PARAMETER
IH
, Before
PF(MAX)
PF(MIN)
A
= Over the Operating Range.)
to V
to V
PF(MAX)
PF(MIN)
SYMBOL
SYMBOL
t
C
t
t
C
REC
t
t
DR
PD
R
F
IN
O
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
14 of 16
MIN
MIN
300
10
0
0
TYP
TYP
MAX
MAX
35
10
7
UNITS
UNITS
years
ms
s
s
s
pF
pF
NOTES
NOTES
6, 7