參數(shù)資料
型號: AM188ER-25KCW
廠商: ADVANCED MICRO DEVICES INC
元件分類: 微控制器/微處理器
英文描述: CA-BAYONET
中文描述: 16-BIT, 25 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 88/112頁
文件大小: 2878K
代理商: AM188ER-25KCW
88
Am186
TM
ER and Am188
TM
ER Microcontrollers Data Sheet
DRAFT
Switching Characteristics over Commercial Operating Ranges
Interrupt Acknowledge Cycle (40 MHz and 50 MHz)
Notes:
All timing parameters are measured at V
CC
/2 with 50 pF loading on CLKOUTA, unless otherwise noted. All
output test conditions are with C
L
=50 pF For switching tests, V
IL
=0.3 V and V
IH
=V
CC
–0.3 V.
a
Testing is performed with equal loading on referenced pins.
b
This parameter applies to the INTA1–INTA0 signals.
c
This parameter applies to the DEN and DT/R signals.
Preliminary
Parameter
Description
40 MHz
Min
50 MHz
Min
No.
General Timing Requirements
1
t
DVCL
2
t
CLDX
General Timing Responses
3
t
CHSV
4
t
7
t
CLDV
8
t
CHDX
9
t
CHLH
10
t
LHLL
11
t
CHLL
12
t
AVLL
15
t
CLAZ
19
t
DXDL
20
t
CVCTV
21
t
CVDEX
22
t
CHCTV
23
t
LHAV
31
t
CVCTX
68
t
CHAV
Symbol
Max
Max
Unit
Data in Setup
Data in Hold
5
2
5
2
ns
ns
Status Active Delay
Status Inactive Delay
Data Valid Delay
Status Hold Time
ALE Active Delay
ALE Width
ALE Inactive Delay
AD Address Invalid to ALE Low
(a)
AD Address Float Delay
DEN Inactive to DT/R Low
(a)
Control Active Delay 1
(b)
DEN Inactive Delay
Control Active Delay 2
(c)
ALE High to Address Valid
Control Inactive Delay
(b)
CLKOUTA High to A Address Valid
0
0
0
0
12
12
12
0
0
0
0
10
10
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
10
t
CLCL
–5=20
15
12
12
t
CLCH
t
CLAX
=0
0
0
0
0
7.5
0
0
t
CLCH
0
0
0
0
0
5
0
0
12
10
12
14
12
10
14
10
12
10
10
10
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