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PD1394P11ABD

3-port physical layer interface

Philips Electronics 

Philips Semiconductors

3-port physical layer interface

Preliminary specification

PDI1394P11A

14.0 AC SWITCHING CHARACTERISTICS

SYMBOL

PARAMETER

MEASURED

TEST CONDITION

Transmit jitter

Transmit skew

tr

Transmit rise time

tf

Transmit fall time

tsu

Dn, CTLn, LREQ input setup time

to SYSCLK

tH

Dn, CTLn, LREQ input hold time

from SYSCLK

tD

Delay time, SYSCLK to Dn, CTLn

TPA, TPB

Between TPA and TPB

10% to 90%

90% to 10%

RL= 56Ω, CL= 10 pF

RL= 56Ω, CL= 10 pF

50% to 50%

See Figure 1

50% to 50%

50% to 50%

See Figure 1

See Figure 2

15.0 SWITCHING WAVEFORMS

LIMITS

UNIT

MIN

TYP MAX

±0.25 ns

±0.15 ns

2.2

ns

2.2

ns

5

ns

2

ns

2

13

ns

SYSCLK

50%

Dn, CTLn, LREQ

tSU

tH

50%

50%

SV00238

Figure 1. Dn, CTLn, LREQ input setup and hold times

SYSCLK

50%

Dn, CTLn

tD

50%

SV00239

Figure 2. Dn, CTLn, output delay relative to SYSCLK

1999 Mar 10

8

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