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DS1742-100IND+

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
DS1742
10 of 16
AC CHARACTERISTICS—WRITE CYCLE (5V)
(V
CC
= 5.0V 10%, Over the operating range.)
85ns ACCESS
100ns
ACCESS PARAMETER SYMBOL
MIN MAX MIN MAX
UNITS
Write Cycle Time t
WC
85
100 ns
Address Access Time t
AS
0
0 ns
Pulse Width
t
WEW
65
70 ns
WE
CE Pulse Width
t
CEW
70
75 ns
Data Setup Time t
DS
35
40 ns
Data Hold time t
DH
0
0 ns
Address Hold Time t
AH
5
5 ns
WE
Data Off Time
t
WEZ
30
35 ns
Write Recovery Time t
WR
5
5 ns
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(V
CC
= 3.3V 10%, Over the operating range.)
120ns
ACCESS
150ns
ACCESS PARAMETER SYMBOL
MIN MAX MIN MAX
UNITS
Write Cycle Time t
WC
120 150 ns
Address Setup Time t
AS
0 0 ns
Pulse Width
t
WEW
100 130 ns
WE
CE Pulse Width
t
CEW
110 140 ns
Data Setup Time t
DS
80 90 ns
Data Hold Time t
DH
0 0 ns
Address Hold Time t
AH
0 0 ns
WE Data Off Time
t
WEZ
40 50 ns
Write Recovery Time t
WR
10 10 ns
DS1742
11 of 16
WRITE CYCLE TIMING DIAGRAM—WRITE-ENABLE CONTROLLED
WRITE CYCLE TIMING DIAGRAM—CHIP-ENABLE CONTROLLED
DS1742
12 of 16
POWER-UP/POWER-DOWN CHARACTERISTICS (5V)
(V
CC
= 5.0V 10%, Over the operating range.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
or CE WE at V
IH
, Before Power-Down
t
PD
0
s
V
CC
Fall Time: V
PF(MAX)
to V
PF(MIN)
t
F
300
s
V
CC
Fall Time: V
PF(MIN)
to V
SO
t
FB
10
s
V
CC
Rise Time: V
PF(MIN)
to V
PF(MAX)
t
R
0
s
Power-Up Recover Time t
REC
35 ms
Expected Data Retention Time
(Oscillator On)
t
DR
10 years 5, 6
POWER-UP/POWER-DOWN WAVEFORM TIMING (5V DEVICE)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

DS1742-100IND+

Mfr. #:
Buy DS1742-100IND+
Manufacturer:
Description:
IC RTC CLK/CALENDAR PAR 24-EDIP
Lifecycle:
New from this manufacturer.
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