Siemens EF 88H Series Manual de usuario descargar pdf (Pagina 131)

Device Specification

Semiconductor Group 7-69

AC Characteristics (cont’d)

External Clock Cycle

Parameter Symbol Limit values Unit

Variable clock

Frequ. = 3.5 MHz to 18 MHz

min. max.

External Clock Drive

Oscillator period t

CLCL

55.6 285 ns

High time t

CHCX

20 t

CLCL-

CHCX

Low time t

CLCX

20 t

CLCL-

CHCX

Rise time t

CLCH

–

20 ns

Fall time t

CHCL

–

20 ns

Oscillator frequency 1/t

CLC

3.5 18 MHz

1 2 ... 126 127 128 129 130 131 132 133 134 135 136 137

Sin comentarios

Siemens EF 88H Series Manual de usuario Pagina 131