HS-82C54RH
Radiation Hardened CMOS
Programmable Interval Timer
August 1995
Features
Pinouts
24 LEAD CERAMIC DUAL-IN-LINE METAL SEAL
PACKAGE (SBDIP) MIL-STD-1835 CDIP2-T24
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• Radiation Hardened
- Total Dose > 105 RAD (Si)
- Transient Upset > 108 RAD (Si)/sec
- Latch Up Free EPI-CMOS
- Functional After Total Dose 1 x 106 RAD (Si)
• Low Power Consumption
- IDDSB = 20µA
- IDDOP = 12mA
D7
D6
1
2
3
4
5
6
7
8
9
24
VDD
23 WR
D5
22 RD
21 CS
D4
D3
20 A1
• Pin Compatible with NMOS 8254 and the Intersil 82C54
D2
19 A0
• High Speed, “No Wait State” Operation with 5MHz
HS-80C86RH
D1
18 CLK 2
17 OUT 2
16 GATE 2
15 CLK 1
14 GATE 1
13 OUT 1
D0
• Three Independent 16-Bit Counters
• Six Programmable Counter Modes
• Binary or BCD Counting
CLK 0
OUT 0 10
GATE 0 11
GND 12
• Status Read Back Command
• Hardened Field, Self-Aligned, Junction Isolated CMOS Process
• Single 5V Supply
• Military Temperature Range -55oC to +125oC
24 LEAD CERAMIC METAL SEAL FLATPACK
PACKAGE (FLATPACK) MIL-STD-1835 CDFP4-F24
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Description
1
24
23
22
21
20
19
18
17
16
15
14
13
D7
D6
VDD
WR
The Intersil HS-82C54RH is a high performance, radiation hardened
CMOS version of the industry standard 8254 and is manufactured
using a hardened field, self-aligned silicon gate CMOS process. It has
three independently programmable and functional 16-bit counters,
each capable of handling clock input frequencies of up to 5MHz. Six
programmable timer modes allow the HS-82C54RH to be used as an
event counter, elapsed time indicator, a programmable one-shot, or
for any other timing application. The high performance, radiation
hardness, and industry standard configuration of the HS-82C54RH
make it compatible with the HS-80C86RH radiation hardened micro-
processor.
2
3
RD
D5
4
CS
D4
5
A1
D3
6
A0
D2
7
CLK 2
OUT 2
GATE 2
CLK 1
GATE 1
OUT1
D1
8
D0
9
CLK 0
OUT 0
GATE 0
GND
10
11
12
Static CMOS circuit design insures low operating power. The Intersil
hardened field CMOS process results in performance equal to or
greater than existing radiation resistant products at a fraction of the
power.
Ordering Information
PART NUMBER
HS1-82C54RH-Q
TEMPERATURE RANGE
PACKAGE
o
o
-55 C to +125 C
24 Lead SBDIP
24 Lead SBDIP
24 Lead SBDIP
o
o
HS1-82C54RH-8
-55 C to +125 C
o
HS1-82C54RH-Sample
HS9-82C54RH-Q
+25 C
o
o
-55 C to +125 C
24 Lead Ceramic Flatpack
24 Lead Ceramic Flatpack
24 Lead Ceramic Flatpack
24 Lead Ceramic Flatpack
o
o
HS9-82C54RH-8
-55 C to +125 C
o
HS9-82C54RH/Sample
HS9-82C54RH/Proto
+25 C
o
o
-55 C to +125 C
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Spec Number 518059
File Number 3043.1
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