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74LVC126A Schematic ( PDF Datasheet ) - Diodes

Teilenummer 74LVC126A
Beschreibung QUADRUPLE 3-STATE BUFFERS
Hersteller Diodes
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Gesamt 10 Seiten
74LVC126A Datasheet, Funktion
74LVC126A
QUADRUPLE 3-STATE BUFFERS
Description
The 74LVC126A provides four independent buffers with three state
outputs. Each output is independently controlled by an associated
output enable pin (OE) which places the device in the high
impedance state when driven low. The device is designed for
operation with a power supply range of 1.65V to 5.5V. The inputs are
tolerant to 5.5V allowing this device to be used in a mixed voltage
environment. The device is fully specified for partial power down
applications using IOFF. The IOFF circuitry disables the output
preventing damaging current backflow when the device is powered
down.
Pin Assignments
Features
Supply Voltage Range from 1.65V to 5.5V
Sinks 24mA at VCC = 3.3V
CMOS low power consumption
IOFF Supports Partial-Power-Down Mode Operation
Inputs or outputs accept up to 5.5V
Inputs can be driven by 3.3V or 5.5V allowing for voltage
translation applications.
ESD Protection Exceeds JESD 22
ƒ 200-V Machine Model (A115-A)
ƒ 2000-V Human Body Model (A114-A)
ƒ Exceeds 1000-V Charged Device Model (C101C)
Latch-Up Exceeds 250mA per JESD 78, Class II
Range of Package Options SO-14 and TSSOP-14
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3) 
 
Applications
Voltage Level Shifting
General Purpose Logic
Power Down Signal Isolation
Wide array of products such as:
ƒ PCs, networking, notebooks, ultrabooks, netbooks
ƒ Computer peripherals, hard drives, CD/DVD ROM
ƒ TV, DVD, DVR, set top box
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
74LVC126A
Document number: DS35266 Rev. 3 - 2
1 of 10
www.diodes.com
June 2012
© Diodes Incorporated






74LVC126A Datasheet, Funktion
Parameter Measuement Information
74LVC126A
VCC
1.8V±0.15V
2.5V±0.2V
2.7V
3.3V±0.3V
VI
VCC
VCC
2.7V
2.7V
Inputs
tr/tf
2ns
2ns
2.5ns
2.5ns
VM
VCC/2
VCC/2
1.5V
1.5V
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
VLOAD
GND
VLOAD
2 x VCC
2 x VCC
6V
6V
CL
30pF
30pF
50pF
50pF
RL
1K
500
500
500
V
0.15V
0.15V
0.3V
0.3V
Voltage Waveform Pulse Duration
Voltage Waveform Enable and Disable Times
Low and High Level Enabling
Voltage Waveform Propagation Delay Times
Inverting and Non Inverting Outputs
Notes:
A. Includes test lead and test apparatus capacitance.
B. All pulses are supplied at pulse repetition rate 10 MHz.
C. Inputs are measured separately one transition per measurement.
D. tPLZ and tPHZ are the same as tdis.
E. tPZL and tPZH are the same as tEN0
F. tPLH and tPHL are the same as tPD.
Figure 1. Load Circuit and Voltage Waveforms
74LVC126A
Document number: DS35266 Rev. 3 - 2
6 of 10
www.diodes.com
June 2012
© Diodes Incorporated

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