AM186ES Advanced Micro Devices, AM186ES Datasheet - Page 92

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AM186ES

Manufacturer Part Number
AM186ES
Description
microcontrollers provide a low-cost/ high-performance solution for embedded system designers who wish to use the x86 architecture.
Manufacturer
Advanced Micro Devices
Datasheets

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Switching Characteristics over Commercial and Industrial Operating Ranges
Clock (25 MHz)
Notes:
All timing parameters are measured at V
output test conditions are with C
a The specifications for CLKIN are applicable to the Divide by Two and Times One modes.
92
CLKIN Requirements for Times One Mode
CLKIN Requirements for Divide by Two Mode
CLKOUT Timing
No.
36
37
38
39
40
36
37
38
39
40
42
43
44
45
46
61
69
70
The Times One mode should be used for operations from 16 MHz to 20 MHz. The Times Four mode should
be used for operations above 20 MHz.
Symbol
t
t
CH1CH2
t
CL2CL1
t
t
t
t
t
t
t
t
t
t
t
t
t
CICOB
t
t
CICOA
CHCK
CHCK
CLCK
CKHL
CKLH
CLCK
CKHL
CKLH
CLCH
CHCL
LOCK
CLCL
CKIN
CKIN
Description
X1 Period
X1 Low Time (1.5 V)
X1 High Time (1.5 V)
X1 Fall Time (3.5 to 1.0 V)
X1 Rise Time (1.0 to 3.5 V)
X1 Period
X1 Low Time (1.5 V)
X1 High Time (1.5 V)
X1 Fall Time (3.5 to 1.0 V)
X1 Rise Time (1.0 to 3.5 V)
CLKOUTA Period
CLKOUTA Low Time (C
CLKOUTA High Time (C
CLKOUTA Rise Time (1.0 to 3.5 V)
CLKOUTA Fall Time (3.5 to 1.0 V)
Maximum PLL Lock Time
X1 to CLKOUTA Skew
X1 to CLKOUTB Skew
Parameter
Am186
(a)
(a)
L
=50 pF. For switching tests, V
TM
ER and Am188
CC
(a)
(a)
/2 with 50 pF loading on CLKOUTA, unless otherwise noted. All
(a)
(a)
L
L
=50 pF)
=50 pF)
(a)
(a)
(a)
(a)
TM
ER Microcontrollers Data Sheet
IL
=0.3 V and V
0.5t
0.5t
CLCL
CLCL
Min
40
15
15
20
10
10
40
Preliminary
IH
–2=18
–2=18
25 MHz
=V
CC
–0.3 V.
Max
60
33
20
34
5
5
5
5
3
3
1
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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