June 1998
82C55A
CMOS Programmable Peripheral Interface
Features
•Pin Compatible with NMOS 8255A
•24 Programmable I/O Pins
•Fully TTL Compatible
•High Speed, No “Wait State” Operation with 5MHz and 8MHz 80C86 and 80C88
•Direct Bit Set/Reset Capability
•Enhanced Control Word Read Capability
•L7 Process
•2.5mA Drive Capability on All I/O Ports
•Low Standby Power (ICCSB) . . . . . . . . . . . . . . . . .10μA
Ordering Information
PART NUMBERS |
| TEMPERATURE | PKG. | ||
5MHz | 8MHz | PACKAGE | RANGE | NO. | |
CP82C55A | 40 Ld PDIP | 0oC to 70oC | E40.6 | ||
IP82C55A | E40.6 | ||||
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CS82C55A | 44 Ld PLCC | 0oC to 70oC | N44.65 | ||
IS82C55A | N44.65 | ||||
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CD82C55A | 40 Ld | 0oC to 70oC | F40.6 | ||
ID82C55A | F40.6 | ||||
CERDIP | |||||
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| F40.6 | |||
MD82C55A/B |
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8406601QA | 8406602QA | SMD# |
| F40.6 | |
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MR82C55A/B | 44 Pad | J44.A | |||
CLCC | |||||
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8406601XA | 8406602XA |
| J44.A | ||
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Description
The Intersil 82C55A is a high performance CMOS version of the industry standard 8255A and is manufactured using a
Static CMOS circuit design insures low operating power. TTL compatibility over the full military temperature range and bus hold circuitry eliminate the need for
Pinouts |
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| 82C55A (DIP) |
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| TOP VIEW |
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PA3 | 1 | 40 | PA4 |
PA2 | 2 | 39 | PA5 |
PA1 | 3 | 38 | PA6 |
PA0 | 4 | 37 PA7 | |
RD | 5 | 36 | WR |
CS | 6 | 35 | RESET |
GND | 7 | 34 | D0 |
A1 | 8 | 33 | D1 |
A0 | 9 | 32 | D2 |
PC7 10 | 31 D3 | ||
PC6 11 | 30 | D4 | |
PC5 12 | 29 | D5 | |
PC4 13 | 28 | D6 | |
PC0 14 | 27 | D7 | |
PC1 15 | 26 | VCC | |
PC2 16 | 25 | PB7 | |
PC3 17 | 24 | PB6 | |
PB0 18 | 23 | PB5 | |
PB1 19 | 22 | PB4 | |
PB2 20 | 21 PB3 |
82C55A (CLCC)
TOP VIEW
| CS | RD | PA0 | PA1 | PA2 | PA3 | PA4 | PA5 PA6 PA7 | WR |
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| 6 | 5 | 4 | 3 | 2 | 1 | 44 43 42 41 40 |
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GND 7 |
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| 39 NC | CS | |
NC | 8 |
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| 38 RESET | |
A1 | 9 |
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| 37 D0 | GND |
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| A1 | |||
A0 | 10 |
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| 36 D1 | |
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| A0 | |||
PC7 11 |
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| 35 D2 | ||
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| PC7 | |||
PC6 12 |
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| 34 D3 | ||
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| NC | |||
PC5 13 |
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| 33 D4 | ||
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| PC6 | |||
PC4 14 |
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| 32 D5 | ||
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| PC5 | |||
PC0 15 |
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| 31 D6 | PC4 | |
PC1 16 |
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| 30 D7 | PC0 | |
PC2 17 |
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| 29 NC | PC1 |
18 19 20 21 22 | 23 24 25 26 27 28 | ||||||||
PC3 | PB0 | PB1 | PB2 PB3 | PB4 | PB5 | PB6 | PB7 | CC | NC |
V |
82C55A (PLCC)
TOP VIEW
| RD | PA0 | PA1 | PA2 | PA3 | NC | PA4 | PA5 PA6 PA7 | WR |
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6 | 5 | 4 | 3 | 2 | 1 | 44 |
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43 |
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7 |
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| 39 |
| RESET | |
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| D0 | |
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| D1 | |
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| D2 | |
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| D3 | |
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| NC | |
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| D4 | |
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| D5 | |
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| D6 | |
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| D7 | |
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| VCC | |
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| PC2 | PC3 | PB0 | PB1 | PB2 | NC | PB3 | PB4 PB5 PB6 | PB7 |
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | File Number 2969.2 |
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http://www.intersil.com or |
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