DS1077L
15 of 21
AC ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(-40°C to +85°C, V
CC = 2.7V to 3.6V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Fast Mode 400 SCL Clock Frequency f
SCL
Standard Mode 100
kHz
Fast Mode 1.3 Bus Free Time Between
a STOP and START
Condition
t
BUF
Standard Mode 4.7
µs
Fast Mode 0.6 Hold Time (Repeated)
START Condition.
t
HD:STA
Standard Mode 4.0
µs 5
Fast Mode 1.3 LOW Period of SCL t
LOW
Standard Mode 4.7
µs
Fast Mode 0.6 HIGH Period of SCL t
HIGH
Standard Mode 4.0
µs
Fast Mode 0.6 Setup Time for a
Repeated START
t
SU:STA
Standard Mode 4.7
µs
Fast Mode 0 Data Hold Time t
HD:DAT
Standard Mode 0
0.9 µs 6, 7
Fast Mode 100 Data Setup Time t
SU:DAT
Standard Mode 250
ns
Fast Mode 300 Rise Time of Both SDA
and SCL Signals
t
R
Standard Mode
20 +
0.1C
B
1000
ns 8
Fast Mode Fall Time of Both SDA
and SCL Signals
t
F
Standard Mode
20 +
0.1C
B
300 ns 8
Fast Mode 0.6 Setup Time for STOP t
SU:STO
Standard Mode 4.0
µs
Capacitive Load for Each
Bus Line
C
B
400 pF 8
Input Capacitance C
I
5 pF
NONVOLATILE MEMORY CHARACTERISTICS
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Writes +85°C 10,000