ds1339c Maxim Integrated Products, Inc., ds1339c Datasheet - Page 4

• Manufacturer Part Number: ds1339c
• Description: Ds1339, Ds1339c, Ds1339u I?c Serial Real-time Clock
• Manufacturer: Maxim Integrated Products, Inc.

AC ELECTRICAL CHARACTERISTICS
(V
SCL Clock Frequency
Bus Free Time Between a STOP
and START Condition
Hold Time (Repeated) START
Condition (Note 8)
LOW Period of SCL Clock
HIGH Period of SCL Clock
Setup Time for a Repeated
START Condition
Data Hold Time (Notes 9, 10)
Data Setup Time (Note 11)
Rise Time of Both SDA and SCL
Signals (Note 12)
Fall Time of Both SDA and SCL
Signals (Note 12)
Setup Time for STOP Condition
Capacitive Load for Each Bus
Line (Note 12)
I/O Capacitance (SDA, SCL)
Oscillator Stop Flag (OSF) Delay
CC
= MIN to MAX, T
PARAMETER
A
= -40°C to +85°C.) (Note 13)
SYMBOL
t
t
t
t
t
HD:STA
SU:STA
HD:DAT
SU:DAT
SU:STO
t
t
C
t
f
t
HIGH
LOW
C
BUF
OSF
SCL
t
t
R
F
I/O
B
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
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
(Note 13)
(Note 14)
4 of 19
CONDITION
20 + 0.1C
20 + 0.1C
20 + 0.1C
20 + 0.1C
MIN
100
100
250
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.0
DS1339 I
0
0
B
B
B
B
TYP
100
2
C Serial Real-Time Clock
MAX
1000
400
100
300
300
300
400
0.9
10
UNITS
kHz
ms
pF
pF
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs