ACS521MS
Radiation Hardened
8-Bit Magnitude Comparator
January 1996
Features
Pinouts
• Devices QML Qualified in Accordance with MIL-PRF-38535
20 PIN CERAMIC DUAL-IN-LINE
MIL-STD-1835 DESIGNATOR CDIP2-T20,
LEAD FINISH C
• Detailed Electrical and Screening Requirements are Contained in
SMD# 5962-96709 and Intersil’ QM Plan
TOP VIEW
• 1.25 Micron Radiation Hardened SOS CMOS
1
2
20
19
18
17
16
15
14
13
12
11
GB
A0
VCC
YB
B7
A7
B6
A6
B5
A5
• Total Dose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >300K RAD (Si)
• Single Event Upset (SEU) Immunity: <1 x 10-10 Errors/Bit/Day
(Typ)
B0
3
A1
4
• SEU LET Threshold . . . . . . . . . . . . . . . . . . . . . . . >100 MEV-cm2/mg
• Dose Rate Upset . . . . . . . . . . . . . . . . >1011 RAD (Si)/s, 20ns Pulse
• Dose Rate Survivability. . . . . . . . . . . >1012 RAD (Si)/s, 20ns Pulse
• Latch-Up Free Under Any Conditions
B1
5
6
A2
7
B2
8
A3
9
B3
B4
A4
10
GND
• Military Temperature Range . . . . . . . . . . . . . . . . . . -55oC to +125oC
• Significant Power Reduction Compared to ALSTTL Logic
• DC Operating Voltage Range . . . . . . . . . . . . . . . . . . . . 4.5V to 5.5V
20 PIN CERAMIC FLATPACK
MIL-STD-1835 DESIGNATOR CDFP4-F20,
LEAD FINISH C
• Input Logic Levels
- VIL = 30% of VCC Max
- VIH = 70% of VCC Min
TOP VIEW
VCC
YB
B7
A7
B6
A6
B5
A5
GB
A0
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
• Input Current ≤ 1µA at VOL, VOH
B0
• Fast Propagation Delay . . . . . . . . . . . . . . . . 15ns (Max), 10ns (Typ)
A1
B1
Description
A2
The Intersil ACS521MS is a Radiation Hardened 8 bit magnitude com-
parator device. It provides a low output YB when Word A equals word B
and input GB is low. All other input states cause a high output.
B2
A3
B3
B4
A4
GND
The ACS521MS utilizes advanced CMOS/SOS technology to achieve
high-speed operation. This device is a member of radiation hardened,
high-speed, CMOS/SOS Logic Family.
The ACS521MS is supplied in a 20 lead Ceramic Flatpack (K suffix) or a
Ceramic Dual-In-Line Package (D suffix).
Ordering Information
PART NUMBER
5962F9670901VRC
5962F9670901VXC
ACS521D/Sample
ACS521K/Sample
ACS521HMSR
TEMPERATURE RANGE
SCREENING LEVEL
MIL-PRF-38535 Class V
MIL-PRF-38535 Class V
Sample
PACKAGE
o
o
-55 C to +125 C
20 Lead SBDIP
o
o
-55 C to +125 C
20 Lead Ceramic Flatpack
20 Lead SBDIP
o
25 C
o
25 C
Sample
20 Lead Ceramic Flatpack
Die
o
25 C
Die
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Spec Number 518821
File Number 3111.1
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
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