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PDF PI3B16215 Data sheet ( Hoja de datos )
| Número de pieza | PI3B16215 | |
| Descripción | 20-Bit FET BusSwitch w/Precharged Outputs | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI3B16215
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
3.3V, Hot Insertion, 20-Bit FET
BusSwitch w/Precharged Outputs
Product Features
Near Zero Propagation Delay
5Ω Switches Connect Between Two Ports
Fast Switching Speed: 4.5ns max.
Permits Hot Insertion
Isolation during Power-Off conditions
B-Port Outputs are precharged by Bias Voltage
to minimize signal distortion during live insertion
Package options include:
48-pin 150-mil wide plastic BQSOP (B)
48-pin 240-mil wide plastic TSSOP (A)
48-pin 300-mil wide plastic SSOP (V)
Logic Block Diagram
1A1 2
SW
1 BIASV
46 1B1
Product Description
Pericom Semiconductors PI3B series of logic circuits are produced
using the companys advanced 0.35 micron CMOS Technology.
The PI3B16215 provides 20-bits of high-speed bus switching. Low
on-state resistance of the switch allows connections to be made
with minimal propagation delay. The device also precharges the
B-port to a user-selectable bias voltage (BIASV) to minimize live-
insertion noise.
The device is organized as dual 10-bit bus switches with individual
output-enable (OE) inputs. When OE is LOW, the corresponding
10-bit bus switch is on and port A is connected to port B. When OE
is HIGH, the switch is open, a high-impedance state exists between
the two ports, and port B is precharged to BIASV through the
equivalent of a 10-kΩ resistor.
To ensure the high-impedance state on power up or power down,
OE should be tied to VCC through a pullup resistor; the minimum
value of the resistor is determined by the current-sinking capability
of the driver connected to OE.
Product Pin Configuration
1A10 12
1OE 48
2A1 13
2A10 24
47
2OE
SW
SW
SW
A
36 1B10
35
2B1
25 2B10
B
BIASV
1A 1
1A 2
1A3
1A 4
1A 5
1A 6
GND
1A7
1A 8
1A 9
1A10
2 A1
2A 2
Vcc
2A3
GND
2A4
2A5
2A6
2A7
2A8
2A9
2 A 10
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 48-Pin 39
11 A,B,V 38
12 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
1 OE
2 OE
1B1
1B2
1B3
1 B4
1B5
GND
1B6
1B7
1B8
1B9
1B 10
2 B1
2 B2
2 B3
GND
2 B4
2B5
2 B6
2B7
2B8
2 B9
2 B 10
OE
1
PS8190D
05/04/00
1 page  
PI3B16215
3.3V, Hot Insertion,
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778829900011-22B3344i55t66F7788E9900T1122B1122u3344s55S6677w8899i00t11c22h3344w556677/88P99r0011e22c33h4455a6677r88g9900e11d2211O2233u4455t66p7788u9900t11s22
48-Pin SSOP (V) Package
48
.291
.299
7.39
7.59
.395
.420
10.03
10.67
Gauge Plane
.010 0.25
.02 0.51
.04 1.01
1
.620
.630
15.75
16.00
.025 BSC
0.635
.008
0.20
Nom.
.015 0.381 x 45˚
.025 0.635
.008 0.20
.0135 0.34
0-8˚
.110 2.79 Max
.008 0.20
.016 0.40
X.XX DENOTES DIMENSIONS
X.XX IN MILLIMETERS
Order Information
Part Pin - Package
Width
Temperature
PI3B16215A 56-TSSOP (A56) 240-mil
PI3B16215B 56-BQSOP (B56) 150-mil 40ºC to +85ºC
PI3B16215V 56-SSOP (V56) 300-mil
Applications Information
Logic Inputs
The logic control inputs can be driven up to +3.6V regardless of the
supply voltage. For example, given a +3.3V supply, IN may be driven
lowto0Vandhighto3.6V. DrivingINRail-to-Rail®minimizespower
consumption.
Power-Supply Sequencing
Proper power-supply sequencing is recommended for all CMOS
devices. Always apply VCC before applying VBIAS and signals to
input/output or control pins.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5
PS8190D
05/04/00
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI3B16215.PDF ] | |
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