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Legend for TYPE field:
TI = TTL input
TO = TTL output
DO = Differential output
DI = Differential input
() = Channel designator
TRANSMITTER
NAME
PACKAGE PIN
TYPE
DESCRIPTION
SINGLE
DUAL
TXOUT
(A)
1
1
DO
Transmitter outputs: TXOUT and TXOUT are differential data signals.
TXOUT
(B)
N/A
10
DO
TXOUT
(A)
2
2
DO
TXOUT is the complement of TXOUT.
TXOUT
(B)
N/A
11
DO
TXIHB
(A)
21
34
TI
Transmitter inhibit: this is an active high input signal.
TXINB
(B)
N/A
25
TI
TXIN
(A)
22
35
TI
Transmitter inputs: TXIN and TXIN are complementary TTL-level
Manchester II encoder inputs.
TXIN
(B)
N/A
26
TI
TXIN
(A)
23
36
TI
TXIN is the complement of TXIN input.
TXIN
(B)
N/A
27
TI
The transmitter section accepts biphase TTL-level signal data
at its TXIN and TXIN and produces MIL-STD-1553 data
signals. The transmitter’s output voltage is typically 42VPP, L-
L. Activating the TXIHB input or setting both data inputs to
the same logic level disables the transmitter.
The UT63M1XX series offers a monolithic transmitter and
receiver packaged in either single channel (24-pin) or dual-
channel (36-pin) configurations designed for use in any MIL-
STD-1553 application.