DS2745 Maxim Integrated Products, DS2745 Datasheet - Page 3

• Manufacturer Part Number: DS2745
• Description: Low-Cost I2C Battery Monitor
• Manufacturer: Maxim Integrated Products

2-WIRE INTERFACE TIMING SPECIFICATIONS
(V
Input Resistance, VIN
Input Logic High:
SCL, SDA, PIO
Input Logic Low:
SCL, SDA, PIO
Output Logic Low:
SDA, PIO
Pulldown Current: SCL,
SDA, PIO
Input Capacitance: SCL,
SDA
SLEEP Timeout
SCL Clock Frequency
Bus Free Time Between a
STOP and START Condition
Hold Time (Repeated)
START Condition
Low Period of SCL Clock
High Period of SCL Clock
Setup Time for a Repeated
START Condition
Data Hold Time
Data Setup Time
Rise Time of Both SDA and
SCL Signals
Fall Time of Both SDA and
SCL Signals
Setup Time for STOP
Condition
Spike Pulse Widths
Suppressed by Input Filter
Capacitive Load for Each
Bus
Line
SCL, SDA Input
Capacitance
DD
PARAMETER
= 2.5V to 4.5V, T
A
= -20C to +70C.)
SYMBOL
t HD:STA
t HD:DAT
t SU:DAT
t SU:STO
t SU:STA
t HIGH
t
t LOW
C
f SCL
t BUF
SLEEP
C
V
t SP
R
V
V
I
C B
t R
t F
PD
BUS
BIN
OL
IH
IN
IL
-20°C ≤ T
2.5V ≤ V
(Note 1)
(Note 1)
I
(Note 3)
(Note 6)
(Note 7)
(Note 8, 9)
(Note 8)
(Note 10)
(Note 11)
OL
= 4mA (Note 1)
CONDITIONS
DD
A
≤ +70°C,
≤ 4.5V
3 of 15
20 + 0.1C
20 + 0.1C
MIN
100
1.5
1.3
0.6
1.3
0.6
0.6
0.6
15
0
0
0
DS2745 Low-Cost I
B
B
TYP
0.25
www.DataSheet4U.com
MAX
400
300
300
400
0.6
0.4
2.2
2
0.9
±2
±3
50
50
60
C Battery Monitor
UNITS
KHz
M
A
pF
pF
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
ns
pF
V
V
V
S