Timing Waveforms (Continued) W" />
參數(shù)資料
型號: IMQ82C55AZ
廠商: Intersil
文件頁數(shù): 15/26頁
文件大小: 0K
描述: IC I/O EXPANDER 24B 44MQFP
標(biāo)準(zhǔn)包裝: 960
接口: 可編程
輸入/輸出數(shù): 24
中斷輸出:
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-QFP
供應(yīng)商設(shè)備封裝: 44-MQFP(10x10)
包裝: 管件
22
FN6140.2
June 15, 2006
FIGURE 30. WRITE TIMING
FIGURE 31. READ TIMING
Timing Waveforms (Continued)
WR
DATA
A0-A1,
CS
BUS
tWW (9)
tDW (10)
tWD (11)
tWA (8)
tAW (7)
RD
DATA
A0-A1,
CS
BUS
tRR (3)
tRA (2)
tAR (1)
VALID
(4) tRD
tDF (5)
HIGH IMPEDANCE
AC Test Circuit
AC Testing Input, Output Waveforms
R1
V1
OUTPUT FROM
DEVICE UNDER
TEST
POINT
C1
R2
(SEE NOTE)
NOTE: Includes STRAY and JIG Capacitance
INPUT
VIH + 0.4V
VIL - 0.4V
1.5V
VOH
VOL
OUTPUT
AC Testing: All AC Parameters tested as per test circuits. Input RISE
and FALL times are driven at 1ns/V.
TEST CONDITION DEFINITION TABLE
TEST CONDITION
V1
R1
R2
C1
1
1.7V
523
Open
150pF
2VCC
2k
1.7k
50pF
3
1.5V
750
Open
50pF
MS82C55A, MQ82C55A, MP82C55A
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