DS1744WP-120IND+ Maxim Integrated Products, DS1744WP-120IND+ Datasheet - Page 10
![IC RTC RAM Y2K 3.3V 120NS 34-PCM](/photos/6/58/65856/406-34-pcm_sml.jpg)
DS1744WP-120IND+
Manufacturer Part Number
DS1744WP-120IND+
Description
IC RTC RAM Y2K 3.3V 120NS 34-PCM
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet
1.DS1744W-120.pdf
(16 pages)
Specifications of DS1744WP-120IND+
Memory Size
256K (32K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
34-PowerCap™ Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AC CHARACTERISTICS—READ CYCLE (3.3V)
(V
Read Cycle Time
Address Access Time
Output Hold from Address
READ CYCLE TIMING DIAGRAM
CE to DQ Low-Z
CE Access Time
CE Data Off Time
OE to DQ Low-Z
OE Access Time
OE Data Off Time
CC
= 3.3V 10%, T
PARAMETER
A
= Over the operating range.)
SYMBOL
t
t
t
t
t
t
t
t
t
OEA
CEA
OEL
OEZ
CEL
CEZ
RC
AA
OH
DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
10 of 16
MIN
120
5
5
5
TYP
MAX
120
120
100
40
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES