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Pericom Semiconductor Corporation

PI3B16245A Datasheet Preview

PI3B16245A Datasheet

3.3V/ 16-Bit/ 2-Port NanoSwitch

No Preview Available !

PI3B16245
PI3B162245 (25)1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
3.3V, Hot Insertion, 16-Bit, 2-Port BusSwitch
Product Features
• Near-zero propagation delay
• 5switches connect inputs to outputs
• Fast Switching Speed - 4ns max.
• Permits Hot Insertion
• Pin compatible with 74 series16245
• Operating Vcc Range: 3.0V to 3.6V
• Industrial operating temperature: –40°C to +85°C
• Packages available:
– 48-pin 240 mil wide thin plastic TSSOP (A)
– 48-pin 300 mil wide plastic SSOP (V)
Logic Block Diagram
Product Description
Pericom Semiconductor’s PI3B series of logic circuits are produced
using the Company’s advanced 0.35 micron CMOS technology.
The PI3B16245 and PI3B162245 are 3.3 volt, hot-insertion, 16-bit,
2-port bus switches that are pin compatible with the 74 series 16245
16-bit transceiver. Two enable signals (nBE) turn the switches on
similar to the enable signals of the 16245. The bus switches create
no additional propagational delay or additional ground bounce
noise.
The PI3B162245 device has a built-in 25-ohm series resistor to
reduce noise resulting from reflections, thus eliminating the need
for an external terminating resistor.
Product Pin Configuration
1A0
1A7
1BE
2A0
2A7
2BE
Truth Table(1)
Function
nBE nA0–7
Disconnect
H Hi-Z
Connect
L nB0–7
Note: 1. H = High Voltage Level
L = Low Voltage Level
Hi-Z = High Impedance
1B0
1B7
2B0
2B7
NC
1B0
1B1
GND
1B2
1B3
VCC
1B4
1B5
GND
1B6
1B7
2B0
2B1
GND
2B2
2B3
VCC
2B4
2B5
GND
2B6
2B7
NC
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 38
12 48-Pin 37
13 A, V 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
1BE
1A0
1A1
GND
1A2
1A3
VCC
1A4
1A5
GND
1A6
1A7
2A0
2A1
GND
2A2
2A3
VCC
2A4
2A5
GND
2A6
2A7
2BE
Product Pin Description
Pin Name
nBE
nA0-nA7
nB0-nB7
I/O
I
I/O
I/O
Description
Bus Enable Input (Active LOW)
Bus A
Bus B
1 PS8189C 09/13/99




Pericom Semiconductor Corporation

PI3B16245A Datasheet Preview

PI3B16245A Datasheet

3.3V/ 16-Bit/ 2-Port NanoSwitch

No Preview Available !

PI3B16245/PI3B162245
1234567890123456789012345678901212345678901234567890123456789012123456789012345367.839V012,3H456o7t89I0n12s1e2r34t5i6o7n89,0112634-5B67i8t9,0212-3P45o6r78t90B12u1s23S4w567i8t9c0h12
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ....................................................... –65°C to +150°C
Ambient Temperature with Power Applied ........................ –0°C to +85°C
Supply Voltage Range ........................................................ –0.5V to +4.6V
DC Input Voltage ............................................................... –0.5V to +4.6V
DC Output Current ......................................................................... 120 mA
Power Dissipation ............................................................................... 0.5W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device.
This is a stress rating only and functional operation of the
device at these or any other conditions above those indi-
cated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect reliability.
DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 3.0V to 3.6V)
Parameters Description
Test Conditions(1)
Min. Typ(2)
VIH Input HIGH Voltage
Guaranteed Logic HIGH Level
2.0 —
VIL Input LOW Voltage
Guaranteed Logic LOW Level
–0.5 —
IIH Input HIGH Current
VCC = Max., VIN = VCC
——
IIL Input LOW Current
VCC = Max., VIN = GND
——
IOZH
High Impedance Output Current 0 A, B VCC
——
VIK Clamp Diode Voltage
RON
Switch On Resistance(3)
VCC = Min., IIN = –18mA
VCC = Min., VIN = 0.0V,
16245
— –0.7
—5
ION = 48mA
162245 20 28
VCC = Min., VIN = 2.4V,
16245 — 10
ION = 15mA
162245 20 35
Max.
0.8
±1
±1
±1
–1.2
8
40
15
48
Units
V
V
µA
µA
µA
V
Capacitance (TA= 25°C, f = 1 MHz)
Parameters(4) Description
CIN
COFF
Input Capacitance
A/B Capacitance, Switch Off
CON A/B Capacitance, Switch On
Test Conditions
VIN = 0V
VIN = 0V
VIN = 0V
Typ Units
3.0 pF
8.5 pF
17.0 pF
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, TA = 25°C ambient and maximum loading.
3. Measured by the voltage drop between A and B pin at indicated current through the switch. ON resistance is determined
by the lower of the voltages on the two (A,B) pins.
4. This parameter is determined by device characterization but is not production tested.
2 PS8189C 09/13/99


Part Number PI3B16245A
Description 3.3V/ 16-Bit/ 2-Port NanoSwitch
Maker Pericom Semiconductor Corporation
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PI3B16245A Datasheet PDF






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