DS1744P-70IND Maxim Integrated Products, DS1744P-70IND Datasheet - Page 13
![IC RTC RAM Y2K 5V 70NS 34-PCM](/photos/6/58/65856/406-34-pcm_sml.jpg)
DS1744P-70IND
Manufacturer Part Number
DS1744P-70IND
Description
IC RTC RAM Y2K 5V 70NS 34-PCM
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet
1.DS1744W-120.pdf
(16 pages)
Specifications of DS1744P-70IND
Memory Size
256K (32K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
34-PowerCap™ Module
Lead Free Status / RoHS Status
Contains lead / RoHS non-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