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UT54ACTS240 Datasheet Preview

UT54ACTS240 Datasheet

Octal Buffers and Line Drivers

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UT54ACS240/UT54ACTS240
Radiation-Hardened
Octal Buffers & Line Drivers, Inverted Three-State Outputs
FEATURES
Three-state outputs drive bus lines or buffer memory address
registers
radiation-hardened CMOS
- Latchup immune
www.DataSheet4UH.icgohmspeed
Low power consumption
Single 5 volt supply
Available QML Q or V processes
Flexible package
- 20-pin DIP
- 20-lead flatpack
DESCRIPTION
The UT54ACS240 and the UT54ACTS240 are inverting octal
buffer and line drivers which improve the performance and den-
sity of three-state memory address drivers, clock drivers, and
bus-oriented receivers and transmitters.
The devices are characterized over full military temperature
range of -55 C to +125 C.
FUNCTION TABLE
INPUTS
OUTPUT
1G, 2G
A
Y
L LH
LHL
HXZ
PINOUTS
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
VSS
LOGIC SYMBOL
(1)
1G
(2)
1A1
(4)
1A2
1A3 (6)
(8)
1A4
EN
(18)
1Y1
(16)
1Y2
(14)
1Y3
(12)
1Y4
(19)
2G
EN
(11)
2A1
(13)
2A2
(15)
2A3
(17)
2A4
(9)
2Y1
(7)
2Y2
(5)
2Y3
(3)
2Y4
Note:
1. Logic symbol in accordance with ANSI/IEEE Std 91-1984 and IEC
Publication 617-12.
153
20-Pin DIP
Top View
1G 1 20 VDD
1A1 2 19 2G
2Y4 3 18 1Y1
1A2 4 17 2A4
2Y3 5 16 1Y2
1A3 6 15 2A3
2Y2 7 14 1Y3
1A4 8 13 2A2
2Y1 9 12 1Y4
VSS 10 11 2A1
20-Lead Flatpack
Top View
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
VDD
2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
RadHard MSI Logic




ETC

UT54ACTS240 Datasheet Preview

UT54ACTS240 Datasheet

Octal Buffers and Line Drivers

No Preview Available !

LOGIC DIAGRAM
1G (1)
UT54ACS240/UT54ACTS240
2G (19)
(2)
1A1
(18)
1Y1
(11)
2A1
(9)
2Y1
(4)
1A2
(16)
1Y2
(13)
2A2
(7)
2Y2
www.DataSheet4U.com
(6)
1A3
(14)
1Y3
2A3 (15)
(5) 2Y3
1A4 (8)
(12) 1Y4
2A4 (17)
(3) 2Y4
RADIATION HARDNESS SPECIFICATIONS 1
PARAMETER
Total Dose
SEU Threshold 2
SEL Threshold
Neutron Fluence
LIMIT
1.0E6
80
120
1.0E14
UNITS
rads(Si)
MeV-cm2/mg
MeV-cm2/mg
n/cm2
Notes:
1. Logic will not latchup during radiation exposure within the limits defined in the table
2. Device storage elements are immune to SEU affects.
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
LIMIT
UNITS
VDD
VI/O
TSTG
TJ
TLS
JC
II
PD
Supply voltage
Voltage any pin
Storage Temperature range
Maximum junction temperature
Lead temperature (soldering 5 seconds)
Thermal resistance junction to case
DC input current
Maximum power dissipation
-0.3 to 7.0
-.3 to VDD +.3
-65 to +150
+175
+300
20
10
1
V
V
C
C
C
C/W
mA
W
Note:
1. Stresses outside the listed absolute maximum ratings may cause permanent damage to the device. This is a stress rating only, functional operation of the device
at these or any other conditions beyond limits indicated in the operational sections is not recommended. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
RadHard MSI Logic
154



Part Number UT54ACTS240
Description Octal Buffers and Line Drivers
Maker ETC
Total Page 6 Pages
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UT54ACTS240 Datasheet PDF





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