M8048/M8748/M8035L

A.C. CHARACTERISTICS (PORT 2 TIMING)

TA = 55·Cto (100·C M8748/125·C M8048/M8035L), Vcc= +5V ± 10%, Vss =OV

Symbol

Parameter

Min.

Max.

Unit

Teet Conditione

tcp

Port Control Setup Before Falling

115

 

 

 

 

Edgeof~

 

na

 

tpc

Port Control Hold After Falling

 

 

 

 

 

Edge of PROG

65

 

na

 

tpR

PROG to Time P2 Input Muat Be Valid

 

860

ns

 

tPF

Input Data Hold Time

0

160

ns

 

top

Output Data Setup Time

230

 

na

 

tpo

Output Data Hold Time

25

 

ns

 

tpp

PROG Pulae Width

920

 

ns

 

tpL

Port 2 1/0 Data Setup

300

 

ns

 

tLP

Port 2 1/0 Data Hold

120

 

na

 

PORT 2 TIMING

ALE

EXPANDER

PORT

OUTPUTPCH

EXPANDER

PORT

INPUTPCH

PROG

6-33

AFN-00780A-07

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Image 176
Intel mcs-48 manual Tcp Port Control Setup Before Falling, Tpo Output Data Hold Time Tpp Prog Pulae Width