DS1643-100+ Dallas Semiconductor, DS1643-100+ Datasheet - Page 9

• Manufacturer Part Number: DS1643-100+
• Description: Clock, Real Time; DIP; 28 Pins; 5 V (Typ.); 5.3 V (Max.); 0.8 V (Max.); 32.768
• Manufacturer: Dallas Semiconductor

Specifications of DS1643-100+

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

AC CHARACTERISTICS—WRITE CYCLE
(V
Write Cycle Time
Address Setup Time
CE2 Pulse Width
Data Setup Time
Data Hold Time
Address Hold Time
Write Recovery Time
CE
WE
WE
CC
Pulse Width
Pulse Width
Data Off Time
= 5.0V ±10%, T
PARAMETER
A
= 0°C to +70°C.)
SYMBOL
t
t
t
t
CE2W
t
WEW
t
t
CEW
t
WEZ
t
t
WC
WR
DH
AH
AS
DS
9 of 16
MIN
70
50
60
65
30
0
0
5
5
ACCESS
70ns
MAX
25
MIN
100
70
75
85
40
ACCESS
0
0
5
5
100ns
MAX
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
4
4
4
4
4
4
4
4
4
4