P82C42PD datasheet(18/25 Pages) INTEL

18 / 25 page

UPI-C42UPI-L42

AC CHARACTERISTICS

TA e 0 Cto a70 C VSS e 0V VCC e VDD ea5V g10% a33V g10% for the UPI-L42 (Continued)

CLOCK

Symbol

Parameter

Min

Max

Units

tCY UPI-C42UPI-L42

Cycle Time

920

s(1)

tCYC UPI-C42UPI-L42

Clock Period

613

tPWH

Clock High Time

tPWL

Clock Low Time

Clock Rise Time

Clock Fall Time

NOTE

1 tCY e 15f(XTAL)

AC CHARACTERISTICS DMA

Symbol

Parameter

Min

Max

Units

tACC

DACK to WR or RD

tCAC

RD or WR to DACK

tACD

DACK to Data Valid

130

tCRQ

RD or WR to DRQ Cleared

110

ns(1)

NOTE

1 CL e 150 pF

AC CHARACTERISTICS PORT 2

Symbol

Parameter

f(tCY)(3)

Min

Max

Units

tCP

Port Control Setup Before Falling Edge of PROG

115 tCYb28

ns(1)

tPC

Port Control Hold After Falling Edge of PROG

110 tCY

125

ns(2)

tPR

PROG to Time P2 Input Must Be Valid

815 tCYb16

650

ns(1)

tPF

Input Data Hold Time

150

ns(2)

tDP

Output Data Setup Time

210 tCY

250

ns(1)

tPD

Output Data Hold Time

110 tCYb80

ns(2)

tPP

PROG Pulse Width

610 tCY

750

NOTES

1 CL e 80 pF

2 CL e 20 pF

3 tCY e 125 ms

P82C42PD Datasheet(PDF) 18 Page - Intel Corporation

P82C42PD Datasheet(HTML) 18 Page - Intel Corporation

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