TFDS6402 datasheet(3/17 Pages) VISHAY

Part #	TFDS6402

Description	Fast Infrared Transceiver Module Family (FIR, 4 Mbit/s) for 2.6 V to 5.5 V Operation

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Manufacturer	VISHAY [Vishay Siliconix]

Direct Link	http://www.vishay.com

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3 / 17 page

TFDU6102E/TFDS6402/TFDS6502E/TFDT6502E

Vishay Semiconductor

Rev. B1.6, 02–Nov–00

3

www.vishay.com

Document Number 82526

Pin Description

Pin Number

Function

Description

I/O

Active

“U” and “T” Option

“S” Option

Function

Descri tion

I/O

Active

1

8

IRED Anode

IRED anode, to be externally connected

to VCC through a current control resistor.

This pin is allowed to be supplied from

an uncontrolled power supply separated

from the controlled VCC supply

2

1

IRED Cathode IRED cathode, internally connected to

driver transistor

3

7

Txd

Transmit Data Input

I

HIGH

4

2

Rxd

Received Data Output, push-pull CMOS

driver output capable of driving a stan-

dard CMOS or TTL load. No external

pull-up or pull-down resistor is required.

Pin is floating when

device is in shutdown mode

O

LOW

5

6

SD/Mode

Shutdown/ Mode

I

HIGH

6

3

VCC

Supply Voltage

7

5

Mode

HIGH: High speed mode;

LOW: Low speed mode, SIR only

(see chapter “Mode Switching”)

I

8

4

GND

Ground

IRED

Detector

IRED

Detector

IRED

Detector

14885

“U” Option Baby Face (Universal)

and Dracula

“S” Option Side View

“T” Option Top View

Figure 2. Pinnings

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