CQ82C55A96 Intersil, CQ82C55A96 Datasheet - Page 22
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CQ82C55A96
Manufacturer Part Number
CQ82C55A96
Description
IC I/O EXPANDER 24B 44MQFP
Manufacturer
Intersil
Series
-r
Datasheet
1.CS82C55AZ96.pdf
(29 pages)
Specifications of CQ82C55A96
Interface
Programmable
Number Of I /o
24
Interrupt Output
No
Frequency - Clock
-
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
44-QFP
Includes
-
Lead Free Status / Rohs Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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