PCA9507D,112 NXP Semiconductors, PCA9507D,112 Datasheet - Page 3

• Manufacturer Part Number: PCA9507D,112
• Description: IC I/O EXPANDER I2C 24B 8SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9507D,112

• Interface: I²C, SMBus
• Number Of I /o: 24
• Interrupt Output: No
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935285823112; PCA9507D; PCA9507D

NXP Semiconductors
5. Pinning information
6. Functional description
PCA9507_1
Product data sheet
5.1 Pinning
5.2 Pin description
Table 2.
Refer to
The PCA9507 consists of a pair of bidirectional open-drain I/Os specifically designed to
support up-translation/down-translation between low voltages (as low as 2.7 V) and a
3.3 V or 5 V I
that enables the device to drive a long cable or a heavier capacitive load for DDC, I
and SMBus applications. With dual supply rails, the device translates from voltage ranges
2.7 V to 5.5 V down to a voltage as low as 2.7 V without degradation of system
performance. All I/Os are overvoltage tolerant to 5.5 V even when the device is
un-powered (V
The PCA9507 includes a power-up circuit that keeps the output drivers turned off until
V
power-up.
Symbol
V
SCLA
SDAA
GND
EN
SDAB
SCLB
V
Fig 2.
CC(A)
CC(A)
CC(B)
and V
V
SDAA
SCLA
CC(A)
Figure 1 “Functional diagram of
GND
Pin configuration for SO8
Pin description
Pin
1
2
3
4
5
6
7
8
CC(B)
2
1
2
3
4
C-bus and SMBus. The device contains a rise time accelerator on port A
CC(B)
rise above 2.7 V. V
Description
port A supply voltage (2.7 V to 5.5 V)
serial clock port A bus with rise time accelerator for DDC line or cable,
5 V tolerant
serial data port A bus with rise time accelerator for DDC line or cable,
5 V tolerant
supply ground (0 V)
active HIGH buffer enable input
serial data port B bus with static level offset, 5 V tolerant
serial clock port B bus with static level offset, 5 V tolerant
port B supply voltage (2.7 V to 5.5 V)
PCA9507D
and/or V
002aad399
Rev. 01 — 7 February 2008
2-wire serial bus extender for HDMI DDC I
CC(A)
8
7
6
5
V
SCLB
SDAB
EN
CC(B)
= 0 V).
CC(A)
PCA9507”.
and V
Fig 3.
CC(B)
V
SDAA
SCLA
CC(A)
GND
can be applied in any sequence at
Pin configuration for TSSOP8
1
2
3
4
PCA9507DP
002aad400
2
PCA9507
C-bus and SMBus
© NXP B.V. 2008. All rights reserved.
8
7
6
5
V
SCLB
SDAB
EN
CC(B)
2
C-bus
3 of 20