AM186 Datasheet, PDF (76/112 Pages) Advanced Micro Devices – High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM

Switching Characteristics over Commercial and Industrial Operating Ranges
Internal RAM Show Read Cycle (25 MHz and 33 MHz)
Preliminary
Parameter
25 MHz
33 MHz
No. Symbol Description
Min
Max
Min
Max Unit
General Timing Responses
5
t_CLAV AD Address Valid Delay
0
20
0
15 ns
7
t_CLDV Data Valid Delay
0
20
0
15 ns
9
t_CHLH ALE Active Delay
20
15 ns
11
t_CHLL ALE Inactive Delay
20
15 ns
Read Cycle Timing Responses
25
t_CLRL RD Active Delay
0
20
0
15 ns
27
t_CLRH RD Inactive Delay
0
20
0
15 ns
68
t_CHAV CLKOUTA High to A Address Valid
0
20
0
15 ns
Switching Characteristics over Commercial and Industrial Operating Ranges
Internal RAM Show Read Cycle (40 MHz and 50 MHz)
Parameter
T ^{No. Symbol Description}
General Timing Responses
5
t_{CLAV AD Address Valid Delay}
7
t_{CLDV Data Valid Delay}
F ₉
t_{CHLH ALE Active Delay}
11
t_{CHLL ALE Inactive Delay}
Read Cycle Timing Responses
25
t_CLRL RD Active Delay
A ₂₇
t_CLRH RD Inactive Delay
D ^{R 68}
t_CHAV CLKOUTA High to A Address Valid
Preliminary
40 MHz
50 MHz
Min
Max
Min
Max Unit
0
12
0
10 ns
0
12
0
10 ns
12
10 ns
12
10 ns
0
10
0
10 ns
0
12
0
10 ns
0
10
0
10 ns
76
Am186^TMER and Am188^TMER Microcontrollers Data Sheet