DS1643-85+ Maxim Integrated Products, DS1643-85+ Datasheet - Page 15

• Manufacturer Part Number: DS1643-85+
• Description: IC RAM TIMEKEEP NV 85NS 28-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1643-85+

• Memory Size: 64K (8K 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: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS1643P WITH DS9034PCX ATTACHED
15 of 17
PKG
DIM
G
A
B
C
D
E
F
0.920
0.955
0.240
0.052
0.048
0.015
0.020
MIN
INCHES
0.925
0.960
0.245
0.055
0.050
0.020
0.025
NOM
0.930
0.965
0.250
0.058
0.052
0.025
0.030
MAX
DS1643/DS1643P