MX97102 Просмотр технического описания (PDF) - Macronix International

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MX97102

ISDN S/T CONTROLLER

Macronix International 

MX97102

AC CHARACTERICS

TABLE 4: CRYSTAL SPECIFICATION

PARAMETER

Frequency

Frequency calibration tolerance

Load capacitance

Oscillator mode

SYMBOL

f

CL

Limit values

7.680

max. 100

max. 50

fundamental

UNIT

MHz

ppm

pF

XTAL1 Clock Characteristics (external oscillator

input)

TABLE 5: CLOCK CHARACTERISTICS

Parameter

Limit values

min. max.

Duty cycle

1:2

2:1

Temperature from 0 to 70°C, VDD = 5V±5%

Inputs are driven to 2.4V for a logical "1" and to 0.4V

for a logical "0" . Timing measurements are made at

2.0V for a logical "1" and 0.8V for a logical "0". The AC-

testing output is loaded with a 150pF capacitor.

TIMING WAVE FORM

MICROPROCESSOR INTERFACE TIMING----INTERL BUS MODE

RD x CS

AD0-AD7

tRR

tRI

tDF

tRD

Data

FIGURE 3(a) MICROPRCESSOR READ CYCLE IN INTEL BUS MODE

tAA

tAD

ALE

WR x CS or

RD x CS

AD0-AD7

tALS

tAL

tLA

Address

P/N:PM0473

FIGURE 3(b) MICROPROCESSOR WRITE CYCLE IN INTEL BUS MODE

REV. 2.5, SEP. 05, 2000

6

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