ISL90841
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
TYP
MIN (NOTE 1)
tF
SDA and SCL fall time
(Note 15)
From 70% to 30% of VCC
20 +
0.1 * Cb
Cb
Capacitive loading of SDA or SCL Total on-chip and off-chip
10
(Note 15)
Rpu
SDA and SCL bus pull-up resistor off- Maximum is determined by tR and tF
1
(Note 15) chip
For Cb = 400pF, max is about 2~2.5kΩ
For Cb = 40pF, max is about 15~20kΩ
tSU:A A1 and A0 setup time
Before START condition
600
tHD:A A1 and A0 hold time
After STOP condition
600
MAX
250
400
SDA vs SCL Timing
tF
tHIGH
tLOW
tR
UNIT
ns
pF
kΩ
ns
ns
SCL
tSU:STA
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
tSU:DAT
tHD:STA
tHD:DAT
tAA tDH
tSU:STO
tBUF
A0 and A1 Pin Timing
SCL
START
SDA IN
A0, A1
tSU:A
CLK 1
STOP
tHD:A
5
FN8094.0
August 1, 2005