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