PCF8574AP NXP Semiconductors, PCF8574AP Datasheet - Page 15

• Manufacturer Part Number: PCF8574AP
• Description: IC, I/O EXPANDER, 8BIT, 100KHZ, DIP-16
• Manufacturer: NXP Semiconductors

Specifications of PCF8574AP

• Chip Configuration: 8 Bit
• Bus Frequency: 100kHz
• Ic Interface Type: I2C
• No. Of I/o's: 8
• Supply Voltage Range: 2.5V To 6V
• Digital Ic Case Style: DIP
• No. Of Pins: 16
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Clock Frequency: 100kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
11 I
Note
1. All the timing values are valid within the operating supply voltage and ambient temperature range and refer to V
1997 Apr 02
I
f
t
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
handbook, full pagewidth
2
SCL
SW
BUF
SU;STA
HD;STA
LOW
HIGH
r
f
SU;DAT
HD;DAT
VD;DAT
SU;STO
C-
Remote 8-bit I/O expander for I
PROTOCOL
SDA
SCL
and V
BUS TIMING
2
C-BUS TIMING CHARACTERISTICS
IH
with an input voltage swing of V
SCL clock frequency
tolerable spike width on bus
bus free time
START condition set-up time
START condition hold time
SCL LOW time
SCL HIGH time
SCL and SDA rise time
SCL and SDA fall time
data set-up time
data hold time
SCL LOW to data out valid
STOP condition set-up time
(see Fig.15; note 1)
t
SU;STA
t
BUF
CONDITION
START
(S)
t HD;STA
t
PARAMETER
LOW
r t
BIT 7
MSB
(A7)
t HIGH
Fig.15 I
SS
to V
t SU;DAT
2
t f
C-bus
DD
2
1 / f SCL
C-bus timing diagram.
.
BIT 6
(A6)
15
t
HD;DAT
4.7
4.7
4.0
4.7
4.0
250
0
4.0
MIN.
(R/W)
BIT 0
LSB
t VD;DAT
ACKNOWLEDGE
TYP.
(A)
MBD820
100
100
1.0
0.3
3.4
Product specification
MAX.
CONDITION
PCF8574
STOP
(P)
t SU;STO
kHz
ns
ns
ns
s
s
s
s
s
s
s
s
s
UNIT
IL