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DS1743W-150+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
10 of 16
AC CHARACTERISTICS—READ CYCLE (3.3V)
(V
CC
= 3.3V 10%, T
A
= Over the Operating Range.)
ACCESS
120ns 150ns
PARAMETER SYMBOL
MIN MAX MIN MAX
UNITS NOTES
Read Cycle Time t
RC
120 150 ns
Address Access Time t
AA
120 150 ns
CE and CE2 Low to DQ Low-Z
t
CEL
5 5 ns 5
CE and CE2 Access Time
t
CEA
120 150 ns 5
CE and CE2 Data-Off time
t
CEZ
40 50 ns 5
OE Low to DQ Low-Z
t
OEL
5 5 ns
OE Access Time
t
OEA
100 130 ns
OE Data-Off Time
t
OEZ
35 35 ns
Output Hold from Address t
OH
5 5 ns
READ CYCLE TIMING DIAGRAM
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
11 of 16
AC CHARACTERISTICS—WRITE CYCLE (5V)
(V
CC
= 5.0V 10%, T
A
= Over the Operating Range.)
ACCESS
70ns 85ns 100ns
PARAMETER SYMBOL
MIN MAX MIN MAX MIN MAX
UNITS NOTES
Write Cycle Time t
WC
70 85 100 ns
Address Setup Time t
AS
0 0 0 ns 5
WE Pulse Width
t
WEW
50 65 70 ns
CE Pulse Width
t
CEW
60 70 75 ns 5
CE2 Pulse Width t
CE2W
65 75 85 ns 5
Data Setup Time t
DS
30 35 40 ns 5
Data Hold Time CE
t
DH
0 0 0 ns 5
Data Hold Time CE2 t
DH
8 8 8 ns 5
Address Hold Time t
AH
5 5 5 ns 5
WE Data-Off Time
t
WEZ
25 30 35 ns
Write Recovery Time t
WR
10 10 10 ns
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(V
CC
= 3.3V 10%, T
A
= Over the Operating Range.)
ACCESS
120ns 150ns
PARAMETER SYMBOL
MIN MAX MIN MAX
UNITS NOTES
Write Cycle Time t
WC
120 150 ns
Address Setup Time t
AS
0 0 ns 5
WE Pulse Width
t
WEW
100 130 ns
CE and CE2 Pulse Width
t
CEW
110 140 ns 5
Data Setup Time t
DS
80 90 ns 5
Data Hold Time CE
t
DH
0 0 ns 5
Data Hold Time CE2 t
DH
10 10 ns 5
Address Hold Time t
AH
0 0 ns 5
WE Data-Off Time
t
WEZ
40 50 ns
Write Recovery Time t
WR
10 10 ns
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
12 of 16
WRITE CYCLE TIMING—WRITE-ENABLE CONTROLLED (See Note 5)
WRITE CYCLE TIMING—CE/CE2-CONTROLLED (See Note 5)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

DS1743W-150+

Mfr. #:
Buy DS1743W-150+
Manufacturer:
Maxim Integrated
Description:
IC RTC CLK/CALENDAR PAR 28-EDIP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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