DS1642-100+ Dallas Semiconductor, DS1642-100+ Datasheet - Page 8

• Manufacturer Part Number: DS1642-100+
• Description: Real Time Clock (RTC), 2KB x 8 Nonvolatile SRAM, EDIP28
• Manufacturer: Dallas Semiconductor

Specifications of DS1642-100+

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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
CEW
t
t
t
t
WEZ
WC
WR
DH
AH
AS
DS
70ns ACCESS
MIN
70
50
60
30
0
0
5
5
8 of 12
MAX
25
100ns ACCESS
MIN
100
70
75
40
0
0
5
5
MAX
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES