AM186EM-20KC/W AMD [Advanced Micro Devices], AM186EM-20KC/W Datasheet - Page 93

• 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
Synchronous Serial Interface (SSI) (20 MHz and 25 MHz)
Note:
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
Synchronous Serial Interface (SSI) (33 MHz and 40 MHz)
Note:
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
Synchronous Serial Port Timing Requirements
Synchronous Serial Port Timing Responses
Synchronous Serial Port Timing Requirements
Synchronous Serial Port Timing Responses
No.
No.
75
77
71
72
78
75
77
71
72
78
Symbol
Symbol
t
t
t
t
t
t
t
t
t
L
t
L
DVSH
SHDX
DVSH
SHDX
CLEV
SLDV
CLEV
SLDV
CLSL
CLSL
= 50 pF. For switching tests, V
= 50 pF. For switching tests, V
Data Valid to SCLK High
SCLK High to SPI Data Hold
CLKOUTA Low to SDEN Valid
CLKOUTA Low to SCLK Low
SCLK Low to Data Valid
Data Valid to SCLK High
SCLK High to SPI Data Hold
CLKOUTA Low to SDEN Valid
CLKOUTA Low to SCLK Low
SCLK Low to Data Valid
Parameter
Parameter
Description
Description
Am186/188EM and Am186/188EMLV Microcontrollers
IL
IL
= 0.45 V and V
= 0.45 V and V
P R E L I M I N A R Y
IH
IH
= 2.4 V, except at X1 where V
= 2.4 V, except at X1 where V
Min
Min
10
3
8
2
0
0
0
20 MHz
33 MHz
Preliminary
Preliminary
Max
Max
25
25
25
15
15
15
Min
Min
10
3
5
2
0
0
0
25 MHz
40 MHz
IH
IH
= V
= V
CC
CC
Max
Max
– 0.5 V.
– 0.5 V.
20
20
20
12
12
12
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
93