AM79D2251VC datasheet(26/35 Pages) AMD

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Am79D2251

SWITCHING CHARACTERISTICS

PCM Switching Characteristics

Figure 14. PCM Switching Characteristics

VCC = 3.3 V +5%, AGND = DGND = 0 V

Microprocessor Interface

Min and max values are valid for all digital outputs with a 100 pF load, except DIO,DXA, INTL, and

TSCA which are valid with 150 pF loads.

No.

Symbol

Parameter

Min

Typ

Max

Unit

Note

1tDCY

Data clock period

122

2tDCH

Data clock HIGH pulse width

3tDCL

Data clock LOW pulse width

4tDCR

Rise time of clock

5tDCF

Fall time of clock

6tICSS

Chip select setup time, Input

mode

tDCY–10

7tICSH

Chip select hold time, Input mode

tDCH–20

8tICSL

Chip select pulse width, Input

mode

8tDCY

9tICSO

Chip select off time, Input mode

1, 6

tIDS

Input data setup time

tIDH

Input data hold time

tOCSS

Chip select setup time, Output

mode

tDCY–10

tOCSH

Chip select hold time, Output

mode

tDCH–20

tOCSL

Chip select pulse width, Output

mode

8tDCY

tOCSO

Chip select off time, output Mode

1, 6

tODD

Output data turn on delay

tODH

Output data hold time

tODOF

Output data turn off delay

tODC

Output data valid

tRST

Reset pulse width

µs

TBD

TEST

POINTS

TBD

AM79D2251VC Datasheet(PDF) 26 Page - Advanced Micro Devices

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