CS82C55AZ Intersil, CS82C55AZ Datasheet - Page 22

• Manufacturer Part Number: CS82C55AZ
• Description: IC I/O EXPANDER 24B 44PLCC
• Manufacturer: Intersil
• Type: Programmable Peripheral Interfacer

Specifications of CS82C55AZ

• 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: 8MHz
• No. Of I/o's: 24
• Supply Voltage Range: 4.5V To 5.5V
• Digital Ic Case Style: LCC
• No. Of Pins: 44
• Msl: MSL 3 - 168 Hours
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Clock: -
• Lead Free Status / Rohs Status: RoHS Compliant part

Timing Waveforms
AC Test Circuit
NOTE: Includes STRAY and JIG Capacitance
A0-A1,
DATA
BUS
WR
CS
DEVICE UNDER
OUTPUT FROM
TEST
FIGURE 30. WRITE TIMING
tAW (7)
(Continued)
22
V1
R1
R2
tDW (10)
tWW (9)
C1
(SEE NOTE)
tWD (11)
TEST
POINT
tWA (8)
82C55A
AC Testing Input, Output Waveforms
AC Testing: All AC Parameters tested as per test circuits. Input RISE
A0-A1,
DATA
BUS
VIH + 0.4V
VIL - 0.4V
RD
CS
TEST CONDITION
INPUT
1
2
3
and FALL times are driven at 1ns/V.
1.5V
TEST CONDITION DEFINITION TABLE
FIGURE 31. READ TIMING
tAR (1)
1.7V
1.5V
V
V1
CC
(4) tRD
HIGH IMPEDANCE
523Ω
750Ω
2kΩ
R1
tRR (3)
VALID
1.7kΩ
Open
Open
R2
1.5V
November 16, 2006
tRA (2)
tDF (5)
OUTPUT
150pF
FN2969.10
VOH
VOL
50pF
50pF
C1