ACTS138MS
December 1997
Radiation Hardened
TTL Input, 3-to-8 Line Decoder/Demultiplexer
Description
The Radiation Hardened ACTS138MS is an Inverting 3-to-8
Line Decoder/Demultiplexer with three TTL level binary
select inputs (A
0
, A
1
and A
2
). If the device is enabled, these
inputs determine which one of the eight normally high out-
puts will go low.
Two active low and one active high enable inputs (E
1
, E
2
and
E
3
) are provided to make cascaded decoder designs easier
to implement.
The ACTS138MS is fabricated on a CMOS Silicon on Sap-
phire (SOS) process, which provides an immunity to Single
Event Latch-up and the capability of highly reliable perfor-
mance in any radiation environment. These devices offer
significant power reduction and faster performance when
compared to ALSTTL types.
Specifications for Rad Hard QML devices are controlled
by the Defense Supply Center in Columbus (DSCC). The
SMD numbers listed below must be used when ordering.
Detailed Electrical Specifications for the ACTS138 are
contained in SMD 5962-98535. A “hot-link” is provided
on our homepage with instructions for downloading.
http://www.intersil.com/data/sm/index.htm
Features
• QML Qualified Per MIL-PRF-38535 Requirements
• 1.25Micron Radiation Hardened SOS CMOS
• Radiation Environment
- Latch-up Free Under any Conditions
- Total Dose . . . . . . . . . . . . . . . . . . . . . . 3 x 10
5
RAD(Si)
- SEU Immunity . . . . . . . . . . . <1 x 10
-10
Errors/Bit/Day
- SEU LET Threshold . . . . . . . . . . . >100MeV/(mg/cm
2
)
• Input Logic Levels . . . . . . . . . . V
IL
= 0.8V, V
IH
= (Vcc/2)
• Output Current
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±12mA
• Quiescent Supply Current. . . . . . . . . . . . . . . . . . . .20µA
• Propagation Delay . . . . . . . . . . . . . . . . . . . . . . . . . . 20ns
Applications
• Memory Decoding
• Data Routing
• Code Conversion
Ordering Information
SMD PART NUMBER
5962F9853501VEC
N/A
5962F9853501VXC
N/A
N/A
INTERSIL PART NUMBER
ACTS138DMSR-02
ACTS138D/Sample-02
ACTS138KMSR-02
ACTS138K/Sample-02
ACTS138HMSR-02
TEMP. RANGE (
o
C)
-55 to 125
25
-55 to 125
25
25
PACKAGE
16 Ld SBDIP
16 Ld SBDIP
16 Ld Flatpack
16 Ld Flatpack
Die
CASE OUTLINE
CDIP2-T16
CDIP2-T16
CDFP4-F16
CDFP4-F16
N/A
Pinouts
ACTS138 (SBDIP)
TOP VIEW
ACTS138 (FLATPACK)
TOP VIEW
A
0
1
A
1
2
A
2
3
E
1
4
E
2
5
E
3
6
Y
7
7
GND 8
16 V
CC
15 Y
0
14 Y
1
13 Y
2
12 Y
3
11 Y
4
10 Y
5
9 Y
6
A
0
A
1
A
2
E
1
E
2
E
3
Y
7
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
Y
0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
6
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
File Number
4460
1
ACTS138MS
Die Characteristics
DIE DIMENSIONS:
Size: 2390µm x 2390µm (94 mils x 94 mils)
Thickness: 525µm
±25µm
(20.6 mils
±1
mil)
Bond Pad: 110µm x 110µm (4.3 x 4.3 mils)
METALLIZATION:
Al
Metal 1 Thickness: 0.7µm
±0.1µm
Metal 2 Thickness: 1.0µm
±0.1µm
SUBSTRATE POTENTIAL:
Unbiased Insulator
PASSIVATION
Type: Phosphorous Silicon Glass (PSG)
Thickness: 1.30µm
±0.15µm
SPECIAL INSTRUCTIONS:
Bond V
CC
First
ADDITIONAL INFORMATION:
Worst Case Density: <2.0 x 10
5
A/cm
2
Transistor Count: 256
Metallization Mask Layout
ACTS138MS
A
1
A
0
V
CC
Y
0
A
2
Y
1
E
1
Y
2
E
2
Y
3
E
3
Y
4
Y
7
GND
Y
6
Y
5
All Intersil semiconductor products are manufactured, assembled and tested under
ISO9000
quality systems certification.
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate
and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which
may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site
http://www.intersil.com
2
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