CS82C55A-5 Intersil, CS82C55A-5 Datasheet - Page 20

• Manufacturer Part Number: CS82C55A-5
• Description: IC I/O EXPANDER 24B 44PLCC
• Manufacturer: Intersil

Specifications of CS82C55A-5

• Interface: Programmable
• Number Of I /o: 24
• Interrupt Output: No
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Chip Configuration: 8 Bit
• Bus Frequency: 5MHz
• No. Of I/o's: 24
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: LCC
• No. Of Pins: 44
• Leaded Process Compatible: No
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Frequency - Clock: -

Timing Waveforms
PERIPHERAL
INPUT FROM
CS, A1, A0
CS, A1, A0
OUTPUT
INPUT
D7-D0
D7-D0
INTR
WR
STB
RD
IBF
RD
20
tAW (7)
tPS (17)
tSIB
(23)
FIGURE 27. MODE 1 (STROBED INPUT)
FIGURE 26. MODE 0 (BASIC OUTPUT)
FIGURE 25. MODE 0 (BASIC INPUT)
tST (16)
tAR (1)
tIR (13)
82C55A
tSIT
(26)
tPH
(18)
tRD (4)
tWW (9)
tRR (3)
tDW
(10)
tRIT
(25)
tWD (11)
tHR (14)
tWS (12)
tRA (2)
tWA (8)
tDF (5)
tRIB (24)
November 16, 2006
FN2969.10