DS1643P-70+ Maxim Integrated Products, DS1643P-70+ Datasheet - Page 8
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DS1643P-70+
Manufacturer Part Number
DS1643P-70+
Description
Real Time Clock
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1643P-100.pdf
(17 pages)
Specifications of DS1643P-70+
Function
Clock, Calendar, NV Timekeeping RAM
Rtc Memory Size
8192 B
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Rtc Bus Interface
Parallel
Package / Case
PowerCap
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AC CHARACTERISTICS—READ CYCLE
(V
Read Cycle Time
Address Access Time
CE2 Access Time
Output Hold from Address
READ CYCLE TIMING DIAGRAM
CE
CE
CE
OE
OE
OE
CC
and CE2 to DQ Low-Z
Access Time
and CE2 Data Off Time
to DQ Low-Z
Access Time
Data Off Time
= 5.0V 10%, T
PARAMETER
A
= 0C to +70C.)
SYMBOL
t
t
t
t
t
t
t
CE2A
t
t
t
CEA
OEA
CEL
CEZ
OEL
OEZ
AA
OH
RC
8 of 17
MIN
85
5
5
5
ACCESS
85ns
MAX
85
85
95
30
45
30
MIN
100
5
5
5
ACCESS
100ns
MAX
100
100
105
35
55
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS1643/DS1643P
NOTES
4
4
4
4
4
4
4
4
4
4