tfdu6102-tt3 Vishay, tfdu6102-tt3 Datasheet - Page 3

• Manufacturer Part Number: tfdu6102-tt3
• Description: Fast Infrared Transceiver Module Fir, 4 Mbit/s For 2.7 V To 5.5 V Operation
• Manufacturer: Vishay

VISHAY
Pin Description
Document Number 82550
Rev. 1.5, 24-Jun-04
Pin Number
"U"
1
2
3
4
5
6
7
8
IRED Anode
Function
Cathode
IRED
Mode
Mode
V
V
GND
Rxd
Txd
SD
CC2
CC1
protection circuit disables the LED driver if the Txd pin is asserted for longer
than 80 µs. When used in conjunction with the SD pin, this pin is also used
the state of the Txd pin is sampled and used to set receiver low bandwidth
(Txd = High, MIR and FIR) mode. Will be overwritten by the mode pin input,
(see chapter "Mode Switching"). Must float, when dynamic programming is
mode. The maximum load is limited to 50 pF. High indicates FIR/MIR-, low
Received Data Output, push-pull CMOS driver output capable of driving a
places the module into shutdown mode. On the falling edge of this signal,
HIGH: High speed mode, MIR and FIR; LOW: Low speed mode, SIR only
Connect IRED anode directly to V
The mode pin can also be used to indicate the dynamically programmed
standard CMOS or TTL load. No external pull-up or pull-down resistor is
Shutdown, also used for dynamic mode switching. Setting this pin active
required. Floating with a weak pull-up of 500 kΩ (typ.) in shutdown
This input is used to transmit serial data when SD is low. An on-chip
external resistor might be necessary for reducing the internal power
An unregulated separate power supply can be used at this pin.
IRED cathode, internally connected to driver transistor
which must float, when dynamic programming is used.
(Txd = Low, SIR) or high bandwidth
to receiver speed mode.
indicates SIR-mode
Supply Voltage
Description
dissipation.
Ground
mode.
used.
CC2
. For voltages higher than 3.6 V an
Vishay Semiconductors
TFDU6102
I/O
O
O
I
I
I
www.vishay.com
Active
HIGH
HIGH
LOW
3