ST1394 datasheet(2/6 Pages) STMICROELECTRONICS

部件名	ST1394

功能描述	IEEE1394 ONE PORT CABLE TERMINATION NETWORK WITH ESD PROTECTION DIODES

PDF	6 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ST1394

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Table 2: Absolute Ratings (Tamb = 25°C)

Table 3: Electrical Characteristics (Tamb = 25°C)

Note 1: matching between 55

Ω resistors is better than ± 1%.

Figure 2: Functionnal Diagram

APPLICATION INFORMATION

The functional diagram here above presents a IEEE1394-a cable and shows how to connect the

ST1394-01SC6 in order to correctly terminate and filter the TPA and TPB lines.

Symbol

Parameter and test conditions

Value

Unit

Tstg

Storage temperature range

- 55 to + 150

°C

Maximum junction temperature

+ 150

°C

Lead solder temperature (10 second duration)

260

°C

Symbol

Parameter

Min.

Typ.

Max.

Unit

R1, R2, R3, R4 Bus termination resistors (note 1)

Ω

Zener capacitance

Rpd

Pull down resistor

Ω

Capacitor in parallel with Rpd

250

(R1+R2),

(R3+R4)

Bus termination impedance

102

110

118

Ω

250pF

TpBias

Twisted

Pair A

Twisted

Pair B

Ω

0.1µF

0.01µF

Outer

shied

termination

1µF

TPA+

TPA-

TPB+

TPB-

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