PI90LV387 Pericom Semiconductor Corporation, PI90LV387 Datasheet

PI90LV387

Manufacturer Part Number

PI90LV387

Description

High-Speed Differential Line Drivers

Manufacturer

Pericom Semiconductor Corporation

Datasheet

1.PI90LV387.pdf (7 pages)

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Features

• Sixteen line drivers meet or exceed the requirements of the

• Designed for signaling rates up to 500 Mbps with very low

• Low voltage differential signaling with typical output voltage

• Propagation delay times less than 2.6ns

• Output skew is less than 150ps

• Part-to-part skew is less than 1.5ns

• 35mW total power dissipation in each driver operating at 200

• Bus-pin ESD protection exceeds 10kV

• Low voltage TTL (LVTTL) logic inputs are 5V tolerant

• Packaging (Pb-free & Green available):

Pin Diagram

ANSI EIA/TIA-644 Standard

radiation (EMI)

of 350mV into :

– 100Ω load (PI90LV387)

– 50Ω load (PI90LVB387)

MHz

-64-Pin TSSOP (A)

1DIN1

3DIN1

3DIN2

1DIN2

1DIN3

1DIN4

2DIN1

2DIN2

2DIN3

2DIN4

3DIN3

3DIN4

4DIN1

4DIN2

4DIN3

4DIN4

GND

VCC

EN1

EN2

EN3

64-Pin

1DO1+

1DO1 –

1DO2+

1DO2 –

1DO3+

1DO3 –

1DO4+

1DO4 –

2DO1+

2DO1 –

2DO2+

2DO2–

2DO3 –

2DO4+

2DO4 –

3DO1+

3DO1 –

3DO2+

3DO2 –

3DO3+

3DO3 –

3DO4+

3DO4 –

4DO1+

4DO1 –

4DO2+

4DO2 –

4DO3+

4DO3 –

4DO4+

4DO4 –

2DO3+

Description

PI90LV387/ PI90LVB387 consists of sixteen differential line

drivers that implement the electrical characteristics of low-volt-

age differential signaling (LVDS). This signaling technique lowers

output voltage levels to reduce power, increase switching speeds,

and allow operation with a 3V supply rail.

The intended application of this device and signaling technique

is for point-to-point baseband (single termination) and multi-

point (double termination) data transmission over a controlled

impedance media of approximately 100Ω and 50Ω (LVB387).

The transmission media may be printed-circuit board traces, back-

planes, or cables. The large number of drivers integrated into the

same substrate, with the low pulse skew of balanced signaling,

allows extremely precise timing alignment of clock and data for

synchronous parallel data transfers. When used with its companion

16-channel receivers, the PI90LV386 or PI90LVT386, over 400

million data transfers per second in single-edge clocked systems

are possible with very little power.

(Note: The ultimate rate and distance of data transfer is dependent

upon attenuation characteristics of the media, the noise coupling

to the environment, and other system characteristics.)

The drivers are enabled in groups of five. When disabled, driver

outputs are at a high impedance. Each driver input (D

able (EN) have an internal pulldown that drives the input to a low

level when open circuited.

The parts are characterized for operation from –40°C to 85°C.

Block Diagram

High-Speed Differential Line Drivers

IN1

IN2

IN3

IN4

PI90LV387/ PI90LVB387

1 of 4

O1+

O1–

O2+

O2–

O3+

O3–

O4+

O4–

PS8573C

) and en-

09/22/04

Related parts for PI90LV387

PI90LV387 Summary of contents

Page 1

... VCC 31 32 GND Description PI90LV387/ PI90LVB387 consists of sixteen differential line drivers that implement the electrical characteristics of low-volt- age differential signaling (LVDS). This signaling technique lowers output voltage levels to reduce power, increase switching speeds, and allow operation with a 3V supply rail. The intended application of this device and signaling technique ...

Page 2

... Tested in accordance with MIL-STD-883C Method 3015.7 Driver Function Table Nom. Max. Units Differential Input 3.3 3 0.8 85 ºC Open Notes high level low level irrelevent high impedance (off) 2 PI90LV387/PI90LVB387 High-Speed Differential Line Drivers Enables OUT PS8573C ...

Page 3

... ODOUT+ ODOUT- LVB LVB 0V 2. 0.4 sin (4E6� 0.4 sin (4E6�t) + 0.5V, I Disabled 3 PI90LV387/PI90LVB387 Min. Typ. Max. Units 247 340 454 mV -50 50 1.125 1.375 V 1.000 1.375 - 150 122 190 3 20 µ ...

Page 4

... Parameter all drivers of a single device with all of their inputs connected to- PLH PHL 4 PI90LV387/PI90LVB387 High-Speed Differential Line Drivers Test Conditions Min. Typ. 0.9 1.8 0.9 1 50Ω ...

Page 5

... VOC(PP) is made on test equipment with a –3dB bandwidth of at least 300MHz. Figure 1. Voltage and Current Definitions Figure 2. V Test Circuit includes instrumentation and fixture capacitance within 0.06m of the D.U.T. The measurement L 5 PI90LV387/PI90LVB387 High-Speed Differential Line Drivers ≤1ns, Pulse Repetition Rate f PS8573C 09/22/04 ...

Page 6

... All input pulses are supplied by a generator having the following characteristics: t (PRR) = 0.5 Mpps, Pulse width = 500 ±10ns. C includes instrumentation and fixture capacitance within 0.06m of the D.U.T. L Figure 5. Enable & Disable Time Circuit & Definitions 6 PI90LV387/PI90LVB387 High-Speed Differential Line Drivers or t ≤1ns, Pulse Repetition Rate (PRR Mpps, Pulse ≤ ...

Page 7

... Max. .002 .006 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Package Code A 64-pin TSSOP A Pb-free & Green, 64-pin TSSOP A 64-pin TSSOP A Pb-free & Green, 64-pin TSSOP 7 PI90LV387/PI90LVB387 High-Speed Differential Line Drivers .236 6.0 .244 6.2 0.45 .018 0.75 .030 SEATING PLANE .319 BSC 8.1 .004 0.10 0.05 0.15 Package Type PS8573C ...

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