DS1338Z-3(2004) 데이터 시트보기 (PDF) - Maxim Integrated
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DS1338Z-3 Datasheet PDF : 15 Pages
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DS1338 I2C RTC with 56-Byte NV RAM
DC ELECTRICAL CHARACTERISTICS
(VCC = 0V, TA = -40°C to +85°C.) (Note 1)
PARAMETER
VBAT Current (OSC ON); VBAT = 3.7V, SQW/OUT OFF (Note 7)
VBAT Current (OSC ON); VBAT = 3.7V, SQW/OUT ON (32kHz)
(Note 7)
VBAT Data-Retention Current (Osc Off); VBAT = 3.7V (Note 7)
SYMBOL
IBATOSC1
IBATOSC2
IBATDAT
MIN TYP MAX UNITS
400 1200 nA
570 1400 nA
10 100
nA
AC ELECTRICAL CHARACTERISTICS
(TA = -40°C to +85°C) (Note 1)
PARAMETER
SYMBOL
CONDITION
SCL Clock Frequency
Fast mode
fSCL
Standard mode
Bus Free Time Between STOP
and START Condition
tBUF
Fast mode
Standard mode
Hold Time (Repeated) START
Condition (Note 8)
tHD:STA
Fast mode
Standard mode
LOW Period of SCL Clock
HIGH Period of SCL Clock
Setup Time for Repeated
START Condition
tLOW
tHIGH
tSU:STA
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Data Hold Time (Notes 9, 10)
Data Setup Time (Note 11)
tHD:DAT
tSU:DAT
Fast mode
Standard mode
Fast mode
Standard mode
Rise Time of Both SDA and
SCL Signals (Note 12)
Fast mode
tR
Standard mode
Fall Time of Both SDA and
SCL Signals (Note 12)
Setup Time for STOP
Condition
tF
tSU:STO
Fast mode
Standard mode
Fast mode
Standard mode
Capacitive Load for Each Bus
Line
CB
(Note 12)
I/O Capacitance (SDA, SCL)
Oscillator Stop Flag (OSF)
Delay
CI/O
(Note 13)
tOSF
(Note 14)
MIN
TYP
100
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0
0
100
250
20 + 0.1CB
20 + 0.1CB
20 + 0.1CB
20 + 0.1CB
0.6
4.0
100
MAX
400
100
UNITS
kHz
ms
ms
ms
ms
ms
0.9
ms
ns
300
ns
1000
300
ns
300
ms
400
pF
10
pF
ms
3 of 15
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