DS1746W-120 Maxim Integrated Products, DS1746W-120 Datasheet - Page 11

IC RTC RAM Y2K 3.3V 120NS 32EDIP

DS1746W-120

Manufacturer Part Number
DS1746W-120
Description
IC RTC RAM Y2K 3.3V 120NS 32EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet

Specifications of DS1746W-120

Memory Size
1M (128K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
32-DIP Module (600 mil), 32-EDIP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1746W-120
Manufacturer:
DALLAS
Quantity:
20 000
Part Number:
DS1746W-120+
Manufacturer:
Maxim
Quantity:
53
Part Number:
DS1746W-120IND+
Manufacturer:
Maxim
Quantity:
252
AC CHARACTERISTICS—WRITE CYCLE (5V)
(V
Write Cycle Time
Address Setup Time
Data Setup Time
Data Hold Time
Data Hold Time
Write Recovery Time
Write Recovery Time
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(V
Write Cycle Time
Address Setup Time
Data Setup Time
Data Hold Time
Data Hold Time
Write Recovery Time
Write Recovery Time
CE Pulse Width
CE Pulse Width
CE and CE2 Pulse Width
WE Pulse Width
WE Data Off Time
WE Pulse Width
WE Data Off Time
CC
CC
= 5.0V 10%, T
= 3.3V 10%, T
PARAMETER
PARAMETER
A
A
= Over the Operating Range.)
= Over the Operating Range.)
SYMBOL
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WEW
WEW
t
t
CEW
CEW
CEW
t
t
WEZ
WR1
WR2
t
t
WEZ
WR1
WR2
DH1
DH2
DH1
DH2
WC
WC
AS
DS
AS
DS
DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
MIN
MIN
120
100
110
110
70
50
60
30
11 of 16
80
10
0
0
0
5
5
0
0
0
5
TYP
TYP
MAX
MAX
120
25
40
UNITS
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
NOTES
8
9
8
9
8
9
8
9

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