Rainbow Electronics DS1339 - Manual (Page 16)

DS1339
16 of 18
AC ELECTRICAL CHARACTERISTICS
(V
CC
= MIN to MAX, T
A
= -40 °C to +85°C) (Note 12)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Fast Mode 100 400
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
ms
Fast Mode 0.6 Hold Time
(Repeated) START
Condition
t
HD:STA
Standard Mode 4.0
ms 5
Fast Mode 1.3
LOW Period of
SCL Clock
t
LOW
Standard Mode 4.7
ms
Fast Mode 0.6
HIGH Period of
SCL Clock
t
HIGH
Standard Mode 4.0
ms
Fast Mode 0.6 Setup Time for a
Repeated START
Condition
t
SU:STA
Standard Mode 4.7
ms
Fast Mode 0 0.9
Data Hold Time t
HD:DAT
Standard Mode 0
ms 6, 7
Fast Mode 100
Data Setup Time t
SU:DAT
Standard Mode 250
ns 9
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 Condition
t
SU:STO
Standard Mode 4.0
ms
Capacitive Load for
Each Bus Line
C
B
400 pF 8
I/O Capacitance C
I/O
10 pF
Oscillator Stop Flag
(OSF) Delay
t
OSF
100 ms 11