pi90lvb387ae Pericom Semiconductor Corporation, pi90lvb387ae Datasheet

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pi90lvb387ae

Manufacturer Part Number
pi90lvb387ae
Description
16-wide Lvds Driver
Manufacturer
Pericom Semiconductor Corporation
Datasheet
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
GND
GND
GND
GND
GND
VCC
VCC
VCC
VCC
VCC
VCC
EN1
EN2
EN3
EN3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64-Pin
A
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
37
37
36
35
34
33
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+
1
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
D
D
D
D
EN
IN1
IN2
IN3
IN4
PI90LV387/ PI90LVB387
1 of 4
D
D
D
D
D
D
D
D
O1+
O1–
O2+
O2–
O3+
O3–
O4+
O4–
PS8573C
IN
) and en-
09/22/04

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pi90lvb387ae Summary of contents

Page 1

Features • Sixteen line drivers meet or exceed the requirements of the ANSI EIA/TIA-644 Standard • Designed for signaling rates up to 500 Mbps with very low radiation (EMI) • Low voltage differential signaling with typical output voltage of 350mV ...

Page 2

Absolute Maximum Ratings (Over Operating Free-Air Temperature, unless otherwise noted) (2)........................................ Supply Voltage Range Voltage Range: Inputs ............................................ –0. ............................................................. –0. O– (3): Electrostatic Discharge (D ,D and GND).......................Class 3, ...

Page 3

Electrical Characteristics Over Recommended Operating Conditions Symbol Parameter | V | Differential output voltage magnitude OH Change in differential output voltage ∆ magnitude between logic states Steady-state common-mode output V OC(SS) voltage Change in Steady-state common-mode ∆V ...

Page 4

Switching Characteristics (Over Recommended Operating Conditions, unless otherwise noted) Symbol t Propagation delay time low-to-high level outputs PHL t Propagation delay time, high-to-low-level outputs PHL t Differential outpu sign rise time r t Differential output signal fall time f t ...

Page 5

Parameter Measurement Information Figure 3. Test Circuit & Definitions for the Driver Common-Mode Output Voltage Note: 1. All input pulses are supplied by a generator having the following characteristics: t (PRR Mpps, Pulse width = 10 ±0.2ns. C ...

Page 6

Parameter Measurement Information (continued) Figure 4. Test Circuit, Timing, & Voltage Definitions for the Differential Output Signal Note: 1. All input pulses are supplied by a generator having the following characteristics: t width = 10 ±0.2ns. C includes instrumentation and ...

Page 7

... Packaging Mechanical: 64-Pin TSSOP ( .0197 .007 0.17 BSC .011 0.27 0.50 Ordering Information Ordering Code PI90LV387A PI90LV387AE PI90LVB387A PI90LVB387AE Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. Number of Transistors = TBD Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com .665 16.9 .673 17.1 .047 1.20 Max. .002 .006 X.XX DENOTES DIMENSIONS X ...

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