DS1643-100+ Maxim Integrated Products, DS1643-100+ Datasheet - Page 13

• Manufacturer Part Number: DS1643-100+
• Description: IC RAM TIMEKEEP NV 100NS 28-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1643-100+

• 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
• Function: Clock/Calendar/NV Timekeeping RAM
• Rtc Memory Size: 8192 Byte
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS1643 28-PIN PACKAGE
13 of 17
A IN.
B IN.
C IN.
D IN.
G IN.
H IN.
K IN.
E IN.
F IN.
J IN.
PKG
DIM
MM
MM
MM
MM
MM
MM
MM
MM
MM
MM
1.470
37.34
0.675
17.75
0.315
0.075
0.015
0.140
0.090
0.590
14.99
0.010
0.015
8.51
1.91
0.38
3.56
2.29
0.25
0.43
MIN
28-PIN
1.490
37.85
0.740
18.80
0.335
0.105
0.030
0.180
0.110
0.630
16.00
0.018
0.025
MAX
9.02
2.67
0.76
4.57
2.79
0.45
0.58
DS1643/DS1643P