DS1743W-120+ Maxim Integrated Products, DS1743W-120+ Datasheet - Page 10
![IC RTC RAM Y2K 3.3V 120NS 28EDIP](/photos/6/58/65855/ds1225ab-200__sml.jpg)
DS1743W-120+
Manufacturer Part Number
DS1743W-120+
Description
IC RTC RAM Y2K 3.3V 120NS 28EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet
1.DS1743W-120.pdf
(16 pages)
Specifications of DS1743W-120+
Memory Size
64K (8K 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
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
28-DIP Module (600 mil), 28-EDIP
Function
Clock/Calendar/NV Timekeeping RAM
Rtc Memory Size
8192 Byte
Supply Voltage (max)
3.63 V
Supply Voltage (min)
2.97 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Rtc Bus Interface
Parallel
Supply Current
15 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AC CHARACTERISTICS—READ CYCLE (3.3V)
(V
READ CYCLE TIMING DIAGRAM
Read Cycle Time
Address Access Time
CE and CE2 Low to DQ Low-Z
CE and CE2 Access Time
CE and CE2 Data-Off time
OE Low to DQ Low-Z
OE Access Time
OE Data-Off Time
Output Hold from Address
CC
= 3.3V 10%, T
PARAMETER
A
= Over the Operating Range.)
SYMBOL
t
t
t
t
t
t
t
t
t
CEA
OEL
OEA
OEZ
CEL
CEZ
AA
OH
RC
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
10 of 16
MIN
120
5
5
5
120ns
MAX
120
120
100
40
35
ACCESS
MIN
150
5
5
5
150ns
MAX
150
150
130
50
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
5
5
5