ID82C55A Intersil, ID82C55A Datasheet - Page 7

• Manufacturer Part Number: ID82C55A
• Description: IC I/O EXPANDER 24B 40DIP
• Manufacturer: Intersil

Specifications of ID82C55A

• Interface: Programmable
• Number Of I /o: 24
• Interrupt Output: No
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 40-CDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Frequency - Clock: -

Mode 0 (Basic Input)
Mode 0 (Basic Output)
Mode 0 Configurations
CONTROL WORD #0
CONTROL WORD #1
D7 - D0
D7 - D0
D7
D7
CS, A1, A0
1
1
OUTPUT
CS, A1, A0
D6
D6
D7-D0
0
0
WR
INPUT
D7-D0
D5
D5
0
0
RD
D4
D4
0
0
D3
D3
0
0
D2
D2
0
0
82C55A
82C55A
D1
D1
0
0
7
C
C
D0
D0
0
1
A
B
A
B
tAW
8
4
4
8
8
4
4
8
PC7 - PC4
PC3 - PC0
PB7 - PB0
PC7 - PC4
PC3 - PC0
PB7 - PB0
PA7 - PA0
PA7 - PA0
tAR
tIR
82C55A
tWW
tRD
tRR
tDW
CONTROL WORD #2
CONTROL WORD #3
D7 - D0
D7 - D0
D7
D7
1
1
D6
D6
0
0
tWD
D5
D5
0
0
tHR
tWB
tRA
D4
D4
0
0
tWA
D3
D3
0
0
tDF
D2
D2
0
0
82C55A
82C55A
D1
D1
1
1
C
C
D0
D0
0
1
A
B
A
B
8
4
4
8
8
4
4
8
PA7 - PA0
PC7 - PC4
PC3 - PC0
PB7 - PB0
PA7 - PA0
PC7 - PC4
PC3 - PC0
PB7 - PB0
November 16, 2006
FN2969.10