DS1682_13 Datasheet, PDF (13/14 Pages) Dallas Semiconductor – Total-Elapsed-Time Recorder with Alarm

DS1682 Total-Elapsed-Time Recorder with Alarm
AC ELECTRICAL CHARACTERISTICS
(V_CC = 2.5V to 5.5V, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
EEPROM Endurance
EEPROM Write Time
EEPROM Transfer to RAM
E_E
(Note 2)
t_EW
(Notes 1, 3, 4)
t_ER
(Notes 1, 5)
ALARM Output Active-
Low Pulse Width
t_SL
(Note 1)
ALARM Output Active-
High Pulse Width
t_SH
(Note 1)
ALARM Input Pulled Low
and Released Pulse Width
SCL Clock Frequency
Bus Free Time Between a
STOP and START
Condition
Hold Time (Repeated)
START Condition (Note 6)
LOW Period of SCL
HIGH Period of SCL
Setup Time for a Repeated
START
Data Hold Time (Notes 7, 8)
Data Setup Time (Note 9)
t_SPL
f_SCL
t_BUF
t_HD:STA
t_LOW
t_HIGH
t_SU:STA
t_HD:DAT
t_SU:DAT
(Note 1)
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Rise Time of SDA and SCL
Signals (Note 10)
Fast Mode
t_R
Standard mode
Fall Time of SDA and SCL
Signals (Note 10)
Setup Time for STOP
Input Capacitance (Note 1)
Capacitive Load for Each
Bus Line (Note 10)
t_F
t_SU:STO
C_I/O
C_B
Fast mode
Standard mode
Fast mode
Standard mode
MIN
TYP
150
1
62.5
MAX
50k
300
UNITS
writes
ms
ms
ms
437.5
ms
500
ms
400
100
kHz
1.3
4.7
s
0.6
4.0
s
1.3
4.7
s
0.6
4.0
s
0.6
4.7
s
0
0
s
100
250
ns
20 +
0.1C_B
20 +
0.1C_B
20 +
0.1C_B
20 +
0.1C_B
0.6
4.0
300
ns
1000
300
ns
300
s
10
pF
400
pF
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