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AM186ED-20KC/W 数据表(PDF) 74 Page - Advanced Micro Devices

部件名 AM186ED-20KC/W
功能描述  High Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers
PDF  88 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM186ED-20KC/W 数据表(HTML) 74 Page - Advanced Micro Devices

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74
Am186ED/EDLV Microcontrollers
PRELI M INARY
D
RA
F T
SWITCHING CHARACTERISTICS over COMMERCIAL and INDUSTRIAL operating ranges
Interrupt Acknowledge Cycle (20 MHz and 25 MHz)
Notes:
All timing parameters are measured at 1.5 V with 50 pF loading on CLKOUTA, unless otherwise noted. All output test conditions
are with CL =50 pF. For switching tests, VIL=0.45 V and VIH =2.4 V, except at X1 where VIH =VCC – 0.5 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.
Parameter
Preliminary
Unit
20 MHz
25 MHz
No.
Symbol
Description
Min
Max
Min
Max
General Timing Requirements
1tDVCL
Data in Setup
10
10
ns
2tCLDX
Data in Hold
3
3
ns
General Timing Responses
3tCHSV
Status Active Delay
0
25
0
20
ns
4tCLSH
Status Inactive Delay
0
25
0
20
ns
7tCLDV
Data Valid Delay
0
25
0
20
ns
8tCHDX
Status Hold Time
0
0
ns
9tCHLH
ALE Active Delay
25
20
ns
10
tLHLL
ALE Width
tCLCL–10=40
tCLCL–10=30
ns
11
tCHLL
ALE Inactive Delay
25
20
ns
12
tAVLL
AD Address Invalid to ALE Low(a)
tCLCH–2
tCLCH–2
ns
15
tCLAZ
AD Address Float Delay
tCLAX=0
25
tCLAX=0
20
ns
19
tDXDL
DEN Inactive to DT/R Low(a)
00
ns
20
tCVCTV
Control Active Delay 1(b)
0
25
0
20
ns
21
tCVDEX
DEN Inactive Delay
0
25
0
20
ns
22
tCHCTV
Control Active Delay 2(c)
0
25
0
20
ns
23
tLHAV
ALE High to Address Valid
20
15
ns
31
tCVCTX
Control Inactive Delay(b)
0
25
0
20
ns
68
tCHAV
CLKOUTA High to A Address Valid
0
25
0
20
ns



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