PCA9558 PHILIPS [NXP Semiconductors], PCA9558 Datasheet - Page 16

• Manufacturer Part Number: PCA9558
• Description: 8-bit I2C and SMBus I/O port with 5-bit multiplexed/1-bit latched 6-bit I2C EEPROM and 2 k bit EEPROM
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2002 May 24
8-bit I
latched 6-bit I
MUX INPUT
MUX OUTPUT
Figure 18. Open drain output enable and disable times
SDA
SCL
2
C and SMBus I/O port with 5-bit multiplexed/1-bit
P
V
M
t
PHL
t
BUF
2
S
V
C EEPROM and 2 k bit EEPROM
M
t
HD;STA
t
LOW
V
M
t
PLZ
t
t
R
HD;DAT
V
V
OL
OL
SW00766
+ 0.3V
V
t
HIGH
CC
Figure 17.
t
F
16
t
SU;DAT
DEFINITIONS
R
C
R
L
L
T
GENERATOR
= Load resistor; 1 k
= Load capacitance includes jig and probe capacitance;
= Termination resistance should be equal to Z
PULSE
10 pF
pulse generators.
Sr
Test Circuit for Open Drain Outputs
t
SU;STA
V
Figure 19. Test circuit
IN
t
HD;STA
R
T
D.U.T.
V
CC
t
SP
t
SU;STO
V
OUT
PCA9558
OUT
SU00645
P
Product data
V
CC
of
SW00767
R
C
L
L