PCF8574AT/3,512 NXP Semiconductors, PCF8574AT/3,512 Datasheet - Page 16

• Manufacturer Part Number: PCF8574AT/3,512
• Description: IC I/O EXPANDER I2C 8B 16SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCF8574AT/3,512

• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 100KHz
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCF
• Number Of Lines (input / Output): 9
• Operating Supply Voltage: 2.5 V to 6 V
• Power Dissipation: 400 mW
• Operating Temperature Range: - 40 C to + 85 C
• Maximum Clock Frequency: 100 KHz
• Mounting Style: SMD/SMT
• Number Of Output Lines: 9
• Output Current: 25 mA
• Output Voltage: 2.4 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 568-3615 - DEMO BOARD I2C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-3987-5; 935275581512; PCF8574ATD; PCF8574ATD

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
2002 Nov 22
I
f
t
t
t
t
t
t
t
t
t
t
t
t
handbook, full pagewidth
SYMBOL
2
SCL
SW
BUF
SU;STA
HD;STA
LOW
HIGH
r
f
SU;DAT
HD;DAT
VD;DAT
SU;STO
C-bus timing (see Fig.16; note 1)
Remote 8-bit I/O expander for I
PROTOCOL
SDA
SCL
and V
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
t SU;STA
t
BUF
CONDITION
START
(S)
t HD;STA
t LOW
PARAMETER
r t
BIT 7
MSB
(A7)
t HIGH
Fig.16 I
SS
to V
t SU;DAT
2
t f
C-bus
DD
1 / f SCL
2
C-bus timing diagram.
.
BIT 6
(A6)
16
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
STOP
PCF8574
(P)
t SU;STO
kHz
ns
ns
ns
s
s
s
s
s
s
s
s
s
UNIT
IL