82C54

CMOS Programmable Intervel Timer

The Intersil 82C54 is a high performance CMOS Programmable Interval Timer manufactured using an advanced 2 micron CMOS process.

The 82C54 has three independently programmable and functional 16-bit counters, each capable of handling clock input frequencies of up to 8MHz (82C54) or 10MHz (82C54-10) or 12MHz (82C54-12).

The high speed and industry standard configuration of the 82C54 make it compatible with the Intersil 80C86, 80C88, and 80C286 CMOS microprocessors along with many other industry standard processors. Six programmable timer modes allow the 82C54 to be used as an event counter, elapsed time indicator, programmable one-shot, and many other applications. Static CMOS circuit design insures low power operation.

The Intersil advanced CMOS process results in a significant reduction in power with performance equal to or greater than existing equivalent products.

Features

• 8MHz to 12MHz Clock Input Frequency

• Compatible with NMOS 8254

- Enhanced Version of NMOS 8253

• Three Independent 16-Bit Counters

• Six Programmable Counter Modes

• Status Read Back Command

• Binary or BCD Counting

• Fully TTL Compatible

• Single 5V Power Supply

• Low Power

- ICCSB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10µA

- ICCOP . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA at 8MHz

• Operating Temperature Ranges

- CX82C54 . . . . . . . . . . . . . . . . . . . . . . . . . 0℃ to +70℃

- IX82C54 . . . . . . . . . . . . . . . . . . . . . . . . -40℃ to +85℃

- MD82C54 . . . . . . . . . . . . . . . . . . . . . . -55℃ to +125℃

• Pb-Free Plus Anneal Available (RoHS Compliant)

Pinouts

Ordering Information

Absolute Maximum Ratings

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8.0V

Input, Output or I/O Voltage . . . . . . . . . . . . GND-0.5V to V_CC +0.5V

ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1

Operating Conditions

Operating Voltage Range. . . . . . . . . . . . . . . . . . . . . . +4.5V to +5.5V

Operating Temperature Range

CX82C54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0℃ to +70℃

IX82C54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40℃ to +85℃

MD82C54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55℃ to +125℃

Thermal Information

Thermal Resistance (Typical) θ_JA (℃/W) θ_JC (℃/W)

CERDIP Package. . . . . . . . . . . . . . . . . 55 12

CLCC Package. . . . . . . . . . . . . . . . . . . 65 14

PDIP Package*. . . . . . . . . . . . . . . . . . . 55 N/A

PLCC Package. . . . . . . . . . . . . . . . . . . 60 N/A

Storage Temperature Range . . . . . . . . . . . . . . . . . -65℃ to +150℃

Maximum Junction Temperature Ceramic Package. . . . . . . .+175℃

Maximum Junction Temperature Plastic Package . . . . . . . . .+150℃

Maximum Lead Temperature Package (Soldering 10s). . . . .+300℃

(PLCC - Lead Tips Only)

*Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications.

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