DS1643P-70 Maxim Integrated Products, DS1643P-70 Datasheet - Page 8
![IC RAM TIMEKEEP NV 70NS 34-PCM](/photos/6/58/65856/406-34-pcm_sml.jpg)
DS1643P-70
Manufacturer Part Number
DS1643P-70
Description
IC RAM TIMEKEEP NV 70NS 34-PCM
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAMr
Datasheet
1.DS1643P-100.pdf
(17 pages)
Specifications of DS1643P-70
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
Surface Mount
Package / Case
34-PowerCap™ Module
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1643P-70
Manufacturer:
DALLAS
Quantity:
20 000
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