DS1643-100 Maxim Integrated Products, DS1643-100 Datasheet - Page 9
DS1643-100
Manufacturer Part Number
DS1643-100
Description
IC RAM TIMEKEEP NV 100NS 28-EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAMr
Datasheet
1.DS1643P-100.pdf
(17 pages)
Specifications of DS1643-100
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
Through Hole
Package / Case
28-DIP Module (600 mil), 28-EDIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
DS1643100
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1643-100
Manufacturer:
DALLAS
Quantity:
8 000
Company:
Part Number:
DS1643-100
Manufacturer:
DALLAS
Quantity:
8 000
Company:
Part Number:
DS1643-100
Manufacturer:
PANASONIC
Quantity:
5 510
Company:
Part Number:
DS1643-100
Manufacturer:
DALLAS
Quantity:
4
Part Number:
DS1643-100
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS1643-100+
Manufacturer:
MAXIM/美信
Quantity:
20 000
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
WE
CE
WE
CC
Pulse Width
Pulse Width
Data Off Time
= 5.0V 10%, T
PARAMETER
A
= 0C to +70C.)
SYMBOL
t
t
t
t
CE2W
t
WEW
t
t
CEW
t
WEZ
t
t
WC
WR
DH
AH
AS
DS
9 of 17
MIN
85
65
70
75
35
0
0
5
5
ACCESS
85ns
MAX
30
MIN
100
70
75
85
40
0
0
5
5
ACCESS
100ns
MAX
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