1315 Ver la hoja de datos (PDF) - Maxim Integrated
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1315 Datasheet PDF : 21 Pages
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DS1315 Phantom Time Chip
PARAMETER
Write Cycle
CEI Pulse Width
OE Pulse Width
Write Recovery
Data Setup
Data Hold Time
RST Pulse Width
SYMBOL
tWC
tCW
tOW
tWR
tDS
tDH
tRST
MIN
65
55
55
10
30
0
65
TYP
MAX
UNITS
ns
ns
ns
ns
ns
ns
ns
NOTES
4
5
5
DC OPERATING ELECTRICAL CHARACTERISTICS
(VCC = 3.3V ±10%, TA = Over the operating range.)
PARAMETER
SYMBOL MIN TYP
Average VCC Power-Supply
Current
ICC1
Average VCC Power-Supply
Current,
(VCCO = VCCI - 0.3)
ICC01
TTL Standby Current
( CEI = VIH)
ICC2
CMOS Standby Current
( CEI = VCCI - 0.2)
ICC3
Input Leakage Current
(any input)
IIL
-1
Output Leakage Current
(any input)
ILO
-1
Output Logic 1 Voltage
(IOUT = 0.4 mA)
VOH
2.4
Output Logic 0 Voltage
(IOUT = 1.6 mA)
VOL
Power-Fail Trip Point
VPF
2.8
VBAT1,
Battery Switch Voltage
VSW
VBAT2,
or VPF
MAX
3
100
2
1.1
+1
+1
0.4
2.97
DC POWER-DOWN ELECTRICAL CHARACTERISTICS
(VCC < 2.97V, TA = Over the operating range.)
PARAMETER
SYMBOL MIN TYP MAX
VCCI
CEO Output Voltage
VCEO
or
VBAT1,2
- 0.2
VBAT1 OR VBAT2 Battery Current
IBAT
0.5
Battery Backup Current
at VCCO = VBAT - 0.2
ICCO2
10
UNITS
mA
mA
mA
mA
µA
µA
V
V
V
UNITS
V
µA
µA
NOTES
6
7
6
6
2
2
14
NOTES
8
6
9
11 of 21
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