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PDF NC7SBU3157 Data sheet ( Hoja de datos )
| Número de pieza | NC7SBU3157 | |
| Descripción | TinyLogic. Low Voltage UHS SPDT Analog Switch with .2V Undershoot Protection | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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April 2002
Revised January 2003
NC7SBU3157 • FSAU3157
TinyLogic Low Voltage UHS SPDT Analog Switch
with −2V Undershoot Protection
General Description
The NC7SBU3157 or FSAU3157 is a high performance,
single-pole/double-throw (SPDT) Analog Switch or 2:1 Mul-
tiplexer/Demultiplexer Bus Switch from Fairchild’s Ultra
High Speed Series of TinyLogic. The device is fabricated
with advanced sub-micron CMOS technology to achieve
high speed enable and disable times and low On Resis-
tance. The break before make select circuitry prevents dis-
ruption of signals on the B Port due to both switches
temporarily being enabled during select pin switching. The
device is specified to operate over the 1.65 to 5.5V VCC
operating range. The control input tolerates voltages up to
5.5V independent of the VCC operating range.
Fairchild’s integrated Undershoot Hardened Circuit
(UHC) senses undershoot at the I/Os, and responds by
preventing voltage differentials from developing and turn-
ing the switch on.
Features
s Useful in both analog and digital applications
s Space saving SC70 6-lead surface mount package
s Low On Resistance: < 10Ω on typ @ 3.3V VCC
s Broad VCC operating range: 1.65V to 5.5V
s Rail-to-Rail signal handling
s Power down high impedance control input
s Overvoltage tolerance of control input to 7.0V
s Break before make enable circuitry
s 250 MHz - 3dB bandwidth
Ordering Code:
Order
Number
NC7SBU3157P6X
FSAU3157P6X
Package
Number
MAA06A
MAA06A
Product Code
Top Mark
Package Description
U7A
6-Lead SC70, EIAJ SC88, 1.25mm Wide
U7A
6-Lead SC70, EIAJ SC88, 1.25mm Wide
Supplied As
3k Units on Tape and Reel
3k Units on Tape and Reel
TinyLogic is a registered trademark and UHC is a trademark of Fairchild Semiconductor Corporation.
© 2003 Fairchild Semiconductor Corporation DS500618
www.fairchildsemi.com
1 page  
Capacitance (Note 12)
Symbol
Parameter
Typ Max
CIN Control Pin Input Capacitance
2.3
CIO-B
B Port Off Capacitance
6.5
CIOA-ON A Port Capacitance When Switch Is Enabled
18.5
Note 12: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested in production.
Units
pF
pF
pF
Conditions
VCC = 0V
VCC = 5.0V
VCC = 5.0V
Figure
Number
Figure 8
Figure 9
Undershoot Characteristic (Note 13)
Symbol
Parameter
Min
Typ
Max
Units
Conditions
VOUTU
Output Voltage During Undershoot
2.5 VOH - 0.3
V Figure 1
Note 13: This test is intended to characterize the device’s protective capabilities by maintaining output signal integrity during an input transient voltage
undershoot event.
FIGURE 1.
Device Test Conditions
Parameter
VIN
R1 = R2
VTRI
VCC
Value
see Waveform
100K
7.0
5.5
Units
V
Ω
V
V
Transient
Input Voltage (VIN) Waveform
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet NC7SBU3157.PDF ] | |
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