DS1643-70 Maxim Integrated Products, DS1643-70 Datasheet - Page 16

• Manufacturer Part Number: DS1643-70
• Description: IC RAM TIMEKEEP NV 70NS 28-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1643-70

• 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: Contains lead / RoHS non-compliant

RECOMMENDED POWERCAP MODULE LAND PATTERN
16 of 17
PKG
DIM
A
B
C
D
E
MIN
-
-
-
-
-
INCHES
1.050
0.826
0.050
0.030
0.112
NOM
MAX
-
-
-
-
-
DS1643/DS1643P