MB88141A Datasheet, PDF (16/22 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (Compatible with I2C Bus)

MB88141A
2. AC Characteristics
Parameter
Symbol
Con-
dition
SCL clock frequency
fSCL

Bus free time between “stop” condition
and “start” condition
tBUF

Hold time (resend) “start” condition.
The first clock pulse is generated after tHD ; STA 
this interval.
SCL clock low hold time
tLOW

SCL clock high hold time
tHIGH

Resend “start” condition setup time
tSU ; STA

Data hold time
tHD ; DAT

Data setup time
tSU ; DAT

SDA and SCL signal fall time
tR

SDA and SCL signal rise time
tF

“Stop” condition setup time
tSU ; STO

Pulse width of spike suppressed by input
filter
tSP

Output fall time when Sink current 3mA

bus capacitance is
between 10 pF and _{Sink current 6mA}
tOF

400 pF
I²C bus line capacitance load
Cb

D/A
Analog output settling time tDL ; AO *1
Digital output delay time
tDL ; DO
*2
I/O
Input open time
expander _{Digital input setup time}
tDZ ; DI
*3
tSU ; DI

Digital input hold time
tHD ; DI

Value
Standard mode High-speed mode
Min.
Max.
Min.
Max.
0
100
0
400
4.7

1.3

4.0

0.6

4.7

1.3

4.0

0.6

4.7

0.6

0

0
0.9
250

100


1000 20 + 0.1 Cb 300

300 20 + 0.1 Cb 300
4.0

0.6



0
50

250 20 + 0.1 Cb 250

 20 + 0.1 Cb 250

400

400

100

100

300

300
200

200

250

100

0.9

0.9

Unit
kHz
µs
ns
µs
ns
pF
µs
ns
µs
*1: Load condition 1
*2: Load condition 2
Measurement point
Measurement point
DUT
RAL = 10 kΩ
CAL = 50 pF
DUT
CAL = 50 pF
*3 : The I/O expander input open time value applies to a read operation following an I/O write operation, or to an
I/O write operation following a read operation.
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