Datasheet

DS1318
Parallel-Interface Elapsed Time Counter
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AC ELECTRICAL CHARACTERISTICS
(V
CC
= V
CC
(
MIN)
to V
CC(MAX)
, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Read Cycle Time t
RC
80 ns
Address Access Time t
AA
80 ns
CE to DQ Low-Z t
CEL
0 ns
CE Access Time t
CEA
80 ns
CE Data Off-Time t
CEZ
30 ns
OE to DQ Low-Z t
OEL
0 ns
OE Access Time t
OEA
70 ns
OE Data Off-Time t
OEZ
30 ns
Output Hold from Address t
OH
5 ns
Write Cycle Time t
WC
80 ns
Address Setup Time t
AS
0 ns
WE Pulse Width t
WEW
40 ns
CE Pulse Width t
CEW
70 ns
Data Setup Time t
DS
40 ns
Data Hold Time t
DH
0 ns
Address Hold Time t
AH
0 ns
WE Data Off-Time t
WEZ
30 ns
Write Recovery Time t
WR
10 ns
Oscillator Stop Flag (OSF) Delay t
OSF
(Note 9) 4 ms
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 0V, V
BAT
= 3.7V,T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Battery Input Current
(ENOSC = 1)
I
BAT
(Note 8) 750 1100 nA
Battery Input Current
(ENOSC = 0)
I
BATDR
(Note 8) 100 nA