CMS82C55AZ Intersil, CMS82C55AZ Datasheet - Page 19

• Manufacturer Part Number: CMS82C55AZ
• Description: IC I/O EXPANDER 24B 44PLCC
• Manufacturer: Intersil

Specifications of CMS82C55AZ

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Clock: -

AC Electrical Specifications
NOTE: Period of initial Reset pulse after power-on must be at least 50µsec. Subsequent Reset pulses may be 500ns minimum.
READ TIMING
(1) tAR
(2) tRA
(3) tRR
(4) tRD
(5) tDF
(6) tRV
WRITE TIMING
(7) tAW
(8) tWA
(9) tWW
(10) tDW
(11) tWD
OTHER TIMING
(12) tWB
(13) tIR
(14) tHR
(15) tAK
(16) tST
(17) tPS
(18) tPH
(19) tAD
(20) tKD
(21) tWOB
(22) tAOB
(23) tSIB
(24) tRIB
(25) tRIT
(26) tSIT
(27) tAIT
(28) tWIT
(29) tRES
SYMBOL
Address Stable Before RD
Address Stable After RD
RD Pulse Width
Data Valid From RD
Data Float After RD
Time Between RDs and/or WRs
Address Stable Before WR
Address Stable After WR
WR Pulse Width
Data Valid to WR High
Data Valid After WR High
WR = 1 to Output
Peripheral Data Before RD
Peripheral Data After RD
ACK Pulse Width
STB Pulse Width
Peripheral Data Before STB High
Peripheral Data After STB High
ACK = 0 to Output
ACK = 1 to Output Float
WR = 1 to OBF = 0
ACK = 0 to OBF = 1
STB = 0 to IBF = 1
RD = 1 to IBF = 0
RD = 0 to INTR = 0
STB = 1 to INTR = 1
ACK = 1 to INTR = 1
WR = 0 to INTR = 0
Reset Pulse Width
19
V
CC
PARAMETER
MS82C55A, MQ82C55A, MP82C55A
= +5V± 10%, GND = 0V; T
A
= Operating Temperature Range
CONDITIONS
1, (Note)
TEST
1
2
1
1
2
1
1
1
1
1
1
1
1
MIN
150
300
100
100
200
100
500
10
20
30
20
50
20
0
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
82C55A
MAX
120
350
175
250
150
150
150
150
200
150
150
200
75
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
June 15, 2006
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
FN6140.2