Quadrouple 2 to 1 Multiplexers
UT54ACS157/UT54ACTS157
Radiation-Hardened Quadruple 2 to 1 Multiplexers
FEATURES radiation-hardened CMOS - Latchup immu...
Description
UT54ACS157/UT54ACTS157
Radiation-Hardened Quadruple 2 to 1 Multiplexers
FEATURES radiation-hardened CMOS - Latchup immune High speed Low power consumption www.DataSheet4U.com Single 5 volt supply Available QML Q or V processes Flexible package - 16-pin DIP - 16-lead flatpack DESCRIPTION The UT54ACS157 and the UT54ACTS157 are monolithic data selectors/multiplexers. A 4-bit word is selected from one of two sources and is routed to the four outputs. A separate strobe input, G, is provided. The devices are characterized over full military temperature range of -55 C to +125 C. FUNCTION TABLE INPUTS
STROBE G H L L L L SELECT A/B X L L H H DATA A X L H X X B X X X L H Y L L H L H
PINOUTS 16-Pin DIP Top View
A/B A1 B1 Y1 A2 B2 Y2 VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD G A4 B4 Y4 A3 B3 Y3
16-Lead Flatpack Top View
A/B A1 B1 Y1 A2 B2 Y2 VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VDD G A4 B4 Y4 A3 B3 Y3
OUTPUT
LOGIC SYMBOL
(15) G (1) A/B A1 B1 A2 B2 A3 B3 A4 B4 (2) (3) (5) (6) (11) (10) (14) (13) 1 1 MUX (4) (7) (9) (12) Y1 Y2 Y3 Y4 EN G1
Note: 1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
95
RadHard MSI Logic
UT54ACS157/UT54ACTS157
LOGIC DIAGRAM
1A
(2) (4) 1Y
1B
www.DataSheet4U.com
(3)
2A
(5) (7) 2Y
2B
(6)
3A
(11) (9) 3Y
3B
(10)
4A
(14) (12) 4Y
4B STROBE G SELECT A/B
(13) (15) (1)
RadHard MSI Logic
96
UT54ACS157/UT54ACTS157
RADIATION HARDNESS SPECIFICATIONS 1 PARAMETER Total Dose SEU Threshold 2 SEL...
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