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DS1315 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1315
Phantom Time Chip
Dallas Semiconductor -> Maxim Integrated
DS1315 Datasheet PDF : 21 Pages
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DS1315 Phantom Time Chip
AC ELECTRICAL OPERATING CHARACTERISTICS
ROM/
RAM
= V
CCO
PARAMETER
(0°C to 70°C; V
CC
= 5.0 ± 10%)
SYMBOL MIN TYP
MAX
UNITS NOTES
Read Cycle Time
CEI
Access Time
t
RC
65
t
CO
ns
55
ns
OE
Access Time
t
OE
55
ns
CEI
to Output Low Z
t
COE
5
ns
OE
to Output Low Z
t
OEE
5
ns
CEI
to Output High Z
t
OD
25
ns
OE
to Output High Z
t
ODO
25
ns
Address Setup Time
t
AS
5
ns
Address Hold Time
t
AH
5
ns
Read Recovery
t
RR
10
ns
Write Cycle
t
WC
65
ns
CEI
Pulse Width
t
CW
55
ns
OE
Pulse Width
t
OW
55
ns
Write Recovery
Data Setup
Data Hold Time
RST
Pulse Width
t
WR
10
t
DS
30
t
DH
0
t
RST
65
ns
4
ns
5
ns
5
ns
DC OPERATING ELECTRICAL CHARACTERISTICS
(0°C to 70°C; V
CC
= 3.3 ± 10%)
PARAMETER
SYMBOL MIN TYP
MAX
UNITS NOTES
Average V
CC
Power
I
CC1
Supply Current
3
mA
6
Average V
CC
Power
Supply Current,
I
CC01
100
mA
7
(V
CCO
= V
CCI
-0.3)
TTL Standby Current
I
CC2
2
mA
6
(
CEI
= V
IH
)
CMOS Standby Current
I
CC3
1
mA
6
(
CEI
= V
CCI
-0.2)
Input Leakage Current
(any input)
I
IL
-1
+1
µA
Output Leakage Current
(any input)
I
LO
-1
+1
µA
Output Logic 1 Voltage
(I
OUT
= 0.4 mA)
V
OH
2.4
V
2
Output Logic 0 Voltage
(I
OUT
= 1.6 mA)
Power-Fail Trip Point
V
OL
V
PF
2.8
0.4
V
2
2.97
V
Battery Switch Voltage
V
SW
V
BAT1
,
14
V
BAT2
,
or V
PF
10 of 21
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