tfds4400 Vishay, tfds4400 Datasheet - Page 2

• Manufacturer Part Number: tfds4400
• Description: Sir Transceiver Module 115.2 Kbit/s 2.7 V To 5.5 V
• Manufacturer: Vishay

Pin Number
Ordering Information
Functional Block Diagram
Pin Description
TFDS4400
Vishay Semiconductors
2 (14)
TFDS4400–TR3
www.vishay.com
Part Number
1
2
3
4
5
6
7
8
Txd
SC
IRED Cathode IRED Cathode, internally connected to driver transistor
IRED Anode
Function
V
GND
Txd
Rxd
NC
SC
CC1
Open Collector Driver
Amplifier
Qty / Reel
1000 pcs
Logic
AGC
IRED Anode, should be externally connected to V
through a current control resistor
Transmit Data Input
Received Data Output, open collector. No external
pull–up or pull–down resistor is required (20 kW resistor
internal to device). Pin is inactive during transmission.
Do not connect, reserved for future features
Supply Voltage
Sensitivity control, increases sensitivity when active
Ground
Figure 1. Functional Block Diagram
1 2
V
CC1
Comparator
Figure 2. Pinning
/SD
GND
3 4
Description
5 6
7 8
Driver
Description
14876
CC2
Rxd
IRED Anode
IRED Cathode
Document Number 82524
I/O
O
Rev. A1.5, 31-May-00
R1
I
I
V
CC2
Active
HIGH
HIGH
LOW