AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 82

• Manufacturer Part Number: AM186EM-20KC/W
• Description: High Performance, 80C186-/80C188-Compatible and 80L186-/80L188-Compatible, 16-Bit Embedded Microcontrollers
• Manufacturer: AMD [Advanced Micro Devices]

SWITCHING CHARACTERISTICS over COMMERCIAL operating range
Software Halt Cycle (33 MHz and 40 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 C
a Equal loading on referenced pins.
b This parameter applies to the DEN signal.
82
General Timing Responses
No.
10
11
19
22
68
3
4
5
9
Symbol
t
t
t
CHCTV
t
t
t
t
t
t
L
CHSV
CHAV
CLSH
CLAV
CHLH
DXDL
LHLL
CHLL
= 50 pF. For switching tests, V
Status Active Delay
Status Inactive Delay
AD Address Invalid Delay and
BHE
ALE Active Delay
ALE Width
ALE Inactive Delay
DEN Inactive to DT/R Low
Control Active Delay 2
CLKOUTA High to A Address
Invalid
Parameter
Description
Am186/188EM and Am186/188EMLV Microcontrollers
IL
= 0.45 V and V
(b)
(a)
P R E L I M I N A R Y
t
CLCL
IH
Min
–10=20
0
0
0
0
0
0
= 2.4 V, except at X1 where V
33 MHz
Preliminary
Max
15
15
15
15
15
15
15
t
CLCL
Min
–5=20
0
0
0
0
0
0
40 MHz
IH
= V
CC
Max
12
12
12
12
12
12
10
– 0.5 V.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns