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ML6509CS

Active SCSI Terminator

Micro Linear Corporation 

ABSOLUTE MAXIMUM RATINGS

Signal Line Voltage ............................. –0.3 to TERMPWR +0.3V

Regulator Output Current ................................... –100 to 300mA

TERMPWR Voltage ..................................................... –0.3 to 7V

Storage Temperature .......................................... –65°C to 150°C

Soldering Temperature ..................................... 260°C for 10 sec

Thermal Impedance (qJA)

SOIC .......................................................................... 95°C/W

TSSOP ...................................................................... 110°C/W

ML6509

OPERATING CONDITIONS

TERMPWR Voltage .................................................. 4V to 5.25V

Operating Temperature ........................................... 0°C to 70°C

ELECTRICAL CHARACTERISTICS

Unless otherwise stated, these specifications apply for 4V - TERMPWR - 5.25V, and TA = 0°C to 70°C (Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

SUPPLY

TERMPWR Supply Current

L1–L9 = open, DISCNKT = open

3.5

5

L1–L9 = 0.2 V, DISCNKT = open

225

250

DISCNKT = 0 (active)

70

100

DISCNKT

Input Low Voltage

LPWR, DISCNKT

1.0

Input High Voltage

LPWR, DISCNKT

TERMPWR

–1.0

OUTPUT

Output High Voltage

Measuring each signal line while

other eight are high

2.8

2.85

2.9

Maximum Output Current

VOUT = 0.2V, Measuring each signal

20

24

(Normal Mode)

line while the other eight are high

Maximum Output Current

(Lowpower Mode)

VOUT = 0.2V, LPWR = 0, and

0.8

1

1.2

measuring each signal line while the

other eight are high

Output Clamp Level

IOUT = –30mA

–0.15

0

0.15

Current Sink Capability

Output Capacitance

(ML Method)

VOUT = 3.2V (per line)

7

12

L1 thru L9, DISCNKT = 0

2VP-P 100kHz square wave applied

biased at 1V D.C.

4

5

Output Capacitance

(X3T9.2/855D method)

L1 thru L9, DISCNKT = 0

0.4VP-P, 1MHz square wave applied

biased at 0.5V D.C.

6

7

REGULATOR

Output Voltage

Sourcing 0–200mA

2.8

2.85

2.9

Sinking 0–50mA

2.8

2.85

2.95

Dropout Voltage

L1–L9 = 0.2V, VOUT = 2.85V

1.0

1.2

Short Circuit Current

Regulator output = 0V

100

Regulator output = 5V

300

Thermal Shutdown

170

Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.

UNITS

mA

mA

µA

V

V

V

mA

mA

V

mA

pF

pF

V

V

V

mA

mA

°C

3

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