DS1642-100+ Maxim Integrated Products, DS1642-100+ Datasheet - Page 8

• Manufacturer Part Number: DS1642-100+
• Description: IC RAM TIMEKEEP NV 100NS 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS1642-100+

• Memory Size: 16K (2K 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: 24-DIP (600 mil) Module
• Function: Clock/Calendar/NV Timekeeping RAM
• Rtc Memory Size: 2048 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

AC CHARACTERISTICS—WRITE CYCLE
(V
Write Cycle Time
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Recovery Time
CE
WE
WE
CC
Pulse Width
= 5.0V ±10, T
Pulse Width
Data Off Time
PARAMETER
A
= 0°C to +70°C.)
SYMBOL
t
t
t
t
WEW
t
t
CEW
t
WEZ
t
t
WC
WR
DH
AH
AS
DS
85ns ACCESS
MIN
85
65
70
35
0
0
5
5
8 of 13
MAX
30
100ns ACCESS
MIN
100
70
75
40
0
0
5
5
MAX
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
DS1642