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Aeroflex Circuit Technology - RadHard Schmitt CMOS 16-bit Bidirectional MultiPurpose Transceiver

Numéro de référence UT54ACS164245S
Description RadHard Schmitt CMOS 16-bit Bidirectional MultiPurpose Transceiver
Fabricant Aeroflex Circuit Technology 
Logo Aeroflex Circuit Technology 





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UT54ACS164245S
RadHard Schmitt CMOS 16-bit Bidirectional MultiPurpose Transceiver
Datasheet
April , 2002
FEATURES
Voltage translation
- 5V bus to 3.3V bus
- 3.3V bus to 5V bus
Cold sparing
- 1Mminimum input impedance power-off
LOGIC SYMBOL
O E1 (48)
O E2 (25)
(1)
DIR1
G1
G2 2EN1 (BA)
2EN2 (AB)
1EN1 (BA)
1EN2 (AB)
(47)
1A1
11
(24)
DIR2
(2)
1B1
• 0.6µm Commercial RadHardTM CMOS
- Total dose: 100K rad(Si)
- Single Event Latchup immune
High speed, low power consumption
Schmitt trigger inputs to filter noisy signals
Available QML Q or V processes
Standard Microcircuit Drawing 5962-98580
Package:
- 48-lead flatpack, 25 mil pitch (.390 x .640)
(46)
1A2
(44)
1A3
(43)
1A4
(41)
1A5
(40)
1A6
(38)
1A7
(37)
1A8
(36)
2A1
DESCRIPTION
DataSheet4U.co2mA2 (35)
(33)
The 16-bit wide UT54ACS164245S MultiPurpose transceiver
2A3
(32)
is built using UTMC’s Commercial RadHardTM epitaxial
2A4
(30)
2A5
CMOS technology and is ideal for space applications. This high
(29)
2A6
speed, low power UT54ACS164245S transceiver is designed to
(27)
2A7
perform multiple functions including: asynchronous two-way
(26)
2A8
communication, signal buffering, voltage translation, and cold
12
21
22
(3)
1B2
(5)
1B3
(6)
1B4
(8)
1B5
(9)
(11) 1B6
1B7
(12)
1B8
(13)
2B1
(14)
2B2
(16)
2B3
(17)
2B4
(19)
2B5
(20)
2B6
(22)
2B7
(23)
2B8
sparing. With VDD equal to zero volts, the UT54ACS164245S
outputs and inputs present a minimum impedance of 1Mmak-
PIN DESCRIPTION
ing it ideal for "cold spare" applications. Balanced outputs and
Pin Names
Description
low "on" output impedance make the UT54ACS164245S well
suited for driving high capacitance loads and low impedance
backplanes. The UT54ACS164245S enables system designers
OE x
DIRx
Output Enable Input (Active Low)
Direction Control Inputs
to interface 3.3 volt CMOS compatible components with 5 volt
xAx Side A Inputs or 3-State Outputs (3.3V Port)
CMOS components. For voltage translation, the A port inter-
faces with the 3.3 volt bus; the B port interfaces with the 5 volt
xBx Side B Inputs or 3-State Outputs (5V Port)
bus. The direction control (DIRx) controls the direction of data FUNCTION TABLE
flow. The output enable (OEx) overrides the direction control
and disables both ports. These signals can be driven from either
port A or B. The direction and output enable controls operate
these devices as either two independent 8-bit transceivers or one
ENABLE
OE x
L
DIRECTION
DIRx
L
OPERATION
B Data To A Bus
16-bit transceiver.
L H A Data To B Bus
HX
Isolation
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