CMP82C55AZ Intersil, CMP82C55AZ Datasheet - Page 21

• Manufacturer Part Number: CMP82C55AZ
• Description: IC PROG PERIPHERAL INTFC 40-PDIP
• Manufacturer: Intersil

Specifications of CMP82C55AZ

• Interface: Bus
• Voltage - Supply: 4.5 V ~ 5.5 V
• Package / Case: 40-DIP (0.600", 15.24mm)
• Mounting Type: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -

Timing Waveforms
NOTE: Any sequence where WR occurs before ACK and STB occurs before RD is permissible. (INTR = IBF • MASK • STB • RD + OBF • MASK
• ACK • WR)
PERIPHERAL
OUTPUT
INTR
INTR
ACK
OBF
BUS
ACK
STB
OBF
WR
IBF
WR
RD
CPU TO 82C55A
DATA FROM
(Continued)
21
MS82C55A, MQ82C55A, MP82C55A
tWIT
(28)
PERIPHERAL TO 82C55A
FIGURE 28. MODE 1 (STROBED OUTPUT)
tWOB
(21)
FIGURE 29. MODE 2 (BIDIRECTIONAL)
DATA FROM
tPS (17)
tSIB
(23)
tPH (18)
(16)
tST
tWB (12)
tWOB (21)
(NOTE)
tAK (15)
82C55A TO PERIPHERAL
tAOB (22)
tAD (19)
DATA FROM
tAK
(15)
tAOB
(22)
tAIT (27)
tKD
(20)
82C55A TO CPU
tRIB (24)
DATA FROM
(NOTE)
June 15, 2006
FN6140.2