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PDF PI3A125CX Data sheet ( Hoja de datos )
| Número de pieza | PI3A125CX | |
| Descripción | SOTINY Low Voltage SPST Analog Switch/Bus Switch | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI3A125
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
SOTINYTM Low Voltage SPST
Analog Switch/Bus Switch
Features
• Low Voltage, SPST Switch
– VCC from 2.3V to 3.6V
• Low On-Resistance: 6 ohms at 3.0V
• CMOS Technology for Bus and Analog Applications
• Rail-to-Rail Signal Range
• Low Power: 30µW at 3.0V
• High Speed: 4ns
• High Off Isolation: 65dB at 1MHz
• High Bandwidth: 250MHz
• Extended Industrial Temperature Range: -40°C to 85°C
• Improved, Direct Replacement for SN74CBTLV1G125
• Packaging:
- 5-pin SC70 (C)
- 5-pin SOT-23 (T)
Applications
• Cell Phones
• Computer Peripherals
• Bus Isolation
• Servers/Routers
• Data Communications
• PDAs
• Portable Instrumentation
• Battery Powered Communications
Pin Description
Pin Number Name
1 OE
2 Port A
3 GND
4 Port B
5 VCC
Description
Enable Logic Input
Input/Output (Bidirectional)
Ground
Input/Output (Bidirectional)
Positive Power Supply
Description
The PI3A125 is a high-speed CMOS SPST switch that can be used
in analog or low-delay bus switch applications.
Specified over a wide operating power supply voltage range, 2.3V
to 3.6V, the PI3A125 has a low maximum ON resistance of 10-ohm
at 2.3V and 7 ohms at 3V. The CMOS device features rail-to-rail
signal range. The switch is turned off when the OE input is high.
Power requirements at 3V are a low 30µW.
The PI3A125 is an improved, direct replacement for the
SN74CBTLV1G125. Pericom improvements include lower resis-
tance and detailed analog switch specifications.
Connection Diagram
OE 1
PI3A125
5 VCC
A2
GND 3
4B
Logic Function Table
OE
0
1
Function
ON
OFF
1
PS8575A
06/27/04
1 page  
PI3A125
SOTINY Low Voltage SPST
Analog Switch/Bus Switch1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Test Circuits and Timing Diagrams (continued)
VCC = 3.3V ±0.3V
From Output
Under Test
500Ω
2 x VCC
S1 Open
GND
CL = 50pF
(See Note 1)
500Ω
Test
tpd
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2 x VCC
GND
Load Circuit
Input
VCC/2
tPLH
VCC/2
tPHL
VCC
0V
Output
VCC/2
VOH
VCC/2
VOL
Voltage Waveforms
Propagation Delay Times
Output
Control
Output
Waveform 1
S1 at 2 x VCC
(see Note 2)
Output
Waveform 2
S1 at GND
(see Note 2)
VCC/2
tPZL
VCC/2
tPLZ
VCC
0V
VCC/2
tPZH
VCC/2
VCC
VOL+0.3V
tPHZ
VOH –0.3V
VOL
VOH
0V
Voltage Waveforms
Propagation Delay Times
Figure 2. Test Circuit and Voltage Waveforms for VCC = 3.3V
Notes:
1. CL includes probe and jig capacitance.
2. Waveform 1 is for an output with internal conditions such that the output is LOW except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is HIGH except when disabled by the output control.
3. All input pulses are supplied by generators having the following characteristics: PRR <10 MHz, ZO = 50Ω, tr ≤ 2ns, tf ≤ 2ns.
4. The outputs are measured one at a time with one transition per measurement.
5. tPLZ and tPHZ are the same as tdis.
6. tPZL and tPZH are the same as ten.
7. tPLH and tPHL are the same as tpd.
PS8575A
06/27/04
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet PI3A125CX.PDF ] | |
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