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AM186 Datasheet, PDF (102/112 Pages) Advanced Micro Devices – High-Performance, 80C186- and 80C188-Compatible, 16-Bit Embedded Microcontrollers with RAM
Switching Characteristics over Commercial and Industrial Operating Ranges
Synchronous Serial Interface (SSI) (25 MHz and 33 MHz)
Parameter
No. Symbol Description
Synchronous Serial Port Timing Requirements
75
tDVSH Data Valid to SCLK High
77
tSHDX SCLK High to SPI Data Hold
Synchronous Serial Port Timing Responses
71
CLKOUTA Low to
tCLEV SDEN1 or SDEN0 Valid
72
tCLSL CLKOUTA Low to SCLK Low
78
tSLDV SCLK Low to Data Valid
Preliminary
25 MHz
33 MHz
Min
Max
Min
Max Unit
10
8
ns
3
2
ns
20
0
15 ns
20
0
15 ns
20
0
15 ns
Note:
All timing parameters are measured at VCC/2 with 50 pF loading on CLKOUTA, unless otherwise noted. All output test conditions
are with CL=50 pF. For switching tests, VIL=0.3 V and VIH =VCC–0.3 V.
Switching Characteristics over Commercial and Industrial Operating Ranges
Synchronous Serial Interface (SSI) (40 MHz and 50 MHz)
T Preliminary
Parameter
40 MHz
50 MHz
No. Symbol Description
Min
Max
Min
Max Unit
F Synchronous Serial Port Timing Requirements
75
tDVSH Data Valid to SCLK High
5
77
tSHDX SCLK High to SPI Data Hold
2
Synchronous Serial Port Timing Responses
5
ns
2
ns
A 71
tCLEV
CLKOUTA Low to
SDEN1 or SDEN0 Valid
0
12
0
10 ns
72
tCLSL CLKOUTA Low to SCLK Low
78
tSLDV SCLK Low to Data Valid
0
12
0
10 ns
0
12
0
10 ns
Note:
R All timing parameters are measured at VCC/2 with 50 pF loading on CLKOUTA, unless otherwise noted. All output test conditions
D are with CL=50 pF. For switching tests, VIL=0.3 V and VIH =VCC–0.3 V.
102
Am186TMER and Am188TMER Microcontrollers Data Sheet