DS1744WP-120IND Maxim Integrated Products, DS1744WP-120IND Datasheet - Page 13

• Manufacturer Part Number: DS1744WP-120IND
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1744WP-120IND

• Function: Clock, Calendar, NV Timekeeping RAM
• Rtc Memory Size: 32768 B
• Supply Voltage (max): 3.63 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Rtc Bus Interface: Parallel
• Package / Case: PowerCap
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

POWER-UP/DOWN AC CHARACTERISTICS (5V)
(V
V
V
V
Power-Up Recover Time
Expected Data-Retention Time
(Oscillator ON)
POWER-UP/DOWN TIMING (5V DEVICE)
CE or WE at V
CC
CC
CC
CC
Fall Time: V
Fall Time: V
Rise Time: V
= 5.0V 10%, T
PARAMETER
IH
PF(MAX)
PF(MIN)
PF(MIN)
Before Power-Down
A
= Over the operating range.)
to V
to V
to V
SO
PF(MIN)
PF(MAX)
SYMBOL
DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
t
t
t
t
REC
t
t
DR
PD
FB
F
R
13 of 16
MIN
300
10
10
0
0
TYP
MAX
35
UNITS
years
ms
s
s
s
s
NOTES
5, 6