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PDF UT54ACS162245SLV Data sheet ( Hoja de datos )
| Número de pieza | UT54ACS162245SLV | |
| Descripción | Schmitt CMOS 16-bit Bidirectional MultiPurpose Low Voltage Transceiver | |
| Fabricantes | Aeroflex Circuit Technology | |
| Logotipo |  |
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UT54ACS162245SLV
Schmitt CMOS 16-bit Bidirectional MultiPurpose
Low Voltage Transceiver
Datasheet
September, 2014
FEATURES
• Voltage translation
- 3.3V bus to 2.5V bus
- 2.5V bus to 3.3V bus
• Cold sparing all pins
• 0.25μ CMOS
• Operational environment
- Total dose: 300Krad(Si) and 1Mrad(Si)
- Single Event Latchup immune
• High speed, low power consumption
• Schmitt trigger inputs to filter noisy signals
• Cold and Warm Spare - all outputs
• Available QML Q or V processes
• Standard Microcircuit Drawing 5962-02543
• Package:
- 48-lead flatpack, 25 mil pitch (.390 x .640), wgt 1.4 Grams
DESCRIPTION
The 16-bit wide UT54ACS162245SLV MultiPurpose low volt-
age transceiver is built using Aeroflex’s epitaxial CMOS tech-
nology and is ideal for space applications. This high speed, low
power UT54ACS162245SLV low voltage transceiver is de-
signed to perform multiple functions including: asynchronous
two-way communication, Schmitt input buffering, voltage trans-
lation, warm and cold sparing. With VDD equal to zero volts, the
UT54ACS162245SLV outputs and inputs present a minimum
impedance of 1MΩ making it ideal for "cold spare" applications.
Balanced outputs and low "on" output impedance make the
UT54ACS162245SLV well suited for driving high capacitance
loads and low impedance backplanes. The
UT54ACS162245SLV enables system designers to interface 2.5
volt CMOS compatible components with 3.3 volt CMOS com-
ponents. For voltage translation, the A port interfaces with the
2.5 volt bus; the B port interfaces with the 3.3 volt bus. The
direction control (DIRx) controls the direction of data 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 16-bit trans-
ceiver.
LOGIC SYMBOL
OE1 (48)
OE2 (25)
(1)
DIR1
G1
G2 2EN1 (BA)
2EN2 (AB)
1EN1 (BA)
1EN2 (AB)
(47)
1A1
(46)
1A2
(44)
1A3
(43)
1A4
(41)
1A5
(40)
1A6
(38)
1A7
(37)
1A8
(36)
2A1
(35)
2A2
(33)
2A3
(32)
2A4
(30)
2A5
(29)
2A6
(27)
2A7
(26)
2A8
11
12
21
22
(24)
DIR2
(2)
1B1
(3)
1B2
(5)
1B3
(6)
1B4
(8)
1B5
(9)
(11)
1B6
1B7
(12)
(13) 1B8
2B1
(14)
2B2
(16)
2B3
(17)
2B4
(19)
2B5
(20)
(22)
2B6
2B7
(23)
2B8
PIN DESCRIPTION
Pin Names
Description
OEx
Output Enable Input (Active Low)
DIRx
Direction Control Inputs
xAx Side A Inputs or 3-State Outputs (2.5V Port)
xBx Side B Inputs or 3-State Outputs (3.3V Port)
1
1 page  
DC ELECTRICAL CHARACTERISTICS 1
( -55°C < TC < +125°C)
SYMBOL
PARAMETER
CONDITION
MIN
VT+ Schmitt Trigger, positive going threshold2 VDD from 2.3 to 3.6
VT- Schmitt Trigger, negative going threshold2 VDD from 2.3 to 3.6
.3VDD
VH1 Schmitt Trigger range of hysteresis9
VDD from 3.0 to 3.6
0.5
VH2 Schmitt Trigger range of hysteresis9
VDD from 2.3 to 2.7
0.4
IIN Input leakage current9
VDD from 2.7 to 3.6
VIN = VDD or VSS
-1
IOZ Three-state output leakage current9
VDD from 2.7 to 3.6
VIN = VDD or VSS
-1
ICS Cold sparing input leakage current3,11 VIN = 3.6
VDD = VSS
-5
IWS Warm sparing input leakage current3,11 VIN = VSS or VDD, VDD1 = 0,
VDD2 = VDD or VDD1 = VDD, VDD2 = 0
-5
IOS1 Short-circuit output current 5, 10
VO = VDD or VSS
VDD from 3.0 to 3.6
-200
IOS2 Short-circuit output current 5, 10
VO = VDD or VSS
VDD from 2.3 to 2.7
-100
VOL1 Low-level output voltage9
IOL= 8mA
IOL= 100μA
VDD = 3.0
VOL2 Low-level output voltage9
IOL= 8mA
IOL= 100μA
VDD = 2.3
VOH1 High-level output voltage9
IOH= -8mA
IOH= -100μA
VDD = 3.0
VDD - 0.7
VDD - 0.2
VOH2 High-level output voltage9
IOH= -8mA
IOH= -100μA
VDD = 2.3
VDD - 0.7
VDD - 0.2
MAX
.7VDD
3
3
5
5
200
100
0.4
0.2
0.4
0.2
UNIT
V
V
V
V
μA
μA
μA
μA
mA
mA
V
V
V
V
5
5 Page 
ORDERING INFORMATION
UT54ACS162245SLV: SMD
5962 R 02543 01 * * *
Lead Finish:
(C) = Gold
(A) = Solder
Case Outline:
(X) = 48 lead FP
Class Designator:
(Q) = Class Q
(V) = Class V
Device Type
(01) = 16-bit MultiPurpose Low Voltage Transceiver
Drawing Number: 02543
Total Dose:
(R) = 1E5 rad(Si)
(F) = 3E5 rad(Si)
(G) = 5E5 rad(Si)
(H) = 1E6 rad(Si)
Federal Stock Class Designator
Notes:
1. Total dose radiation must be specified when ordering. QML Q and QML V not available without radiation hardening.
11
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