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PDF HD74HC125 Data sheet ( Hoja de datos )
| Número de pieza | HD74HC125 | |
| Descripción | Quad. Bus Buffer Gates | |
| Fabricantes | Renesas | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HD74HC125 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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HD74HC125, HD74HC126
Quad. Bus Buffer Gates (with 3-state outputs)
REJ03D0565-0300
Rev.3.00
Mar 25, 2009
Description
The HD74HC125, HD74HC126 require the 3-state control input C to be taken high to put the output into the high
impedance condition, whereas the HD74HC125, HD74HC126 requires the control input to be low to put the output into
high impedance.
Features
• High Speed Operation: tpd = 8 ns typ (CL = 50 pF)
• High Output Current: Fanout of 15 LSTTL Loads
• Wide Operating Voltage: VCC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
• Ordering Information
Part Name
Package Type
Package Code
(Previous Code)
Package
Abbreviation
HD74HC125P
HD74HC126P
DILP-14 pin
PRDP0014AB-B
(DP-14AV)
P
HD74HC125FPEL
HD74HC126FPEL
SOP-14 pin (JEITA)
PRSP0014DF-B
(FP-14DAV)
FP
HD74HC125RPEL
HD74HC126RPEL
SOP-14 pin (JEDEC)
PRSP0014DE-A
(FP-14DNV)
RP
HD74HC125TELL
HD74HC126TELL
TSSOP-14 pin
PTSP0014JA-B
(TTP-14DV)
T
Note: Please consult the sales office for the above package availability.
Taping Abbreviation
(Quantity)
—
EL (2,000 pcs/reel)
EL (2,500 pcs/reel)
ELL (2,000 pcs/reel)
Function Table
Inputs
C
HC125
HC126
HL
LH
LH
H : High level
L : Low level
X : Irrelevant
Z : Off (high-impedance) state of a 3-state output.
A
X
L
H
HC125
Z
L
H
Output
Y
HC126
Z
L
H
REJ03D0565-0300 Rev.3.00 Mar 25, 2009
Page 1 of 8
1 page  
HD74HC125, HD74HC126
Waveforms
• HD74HC125
• Waveform – 1
tr
Input A
10 %
90 %
50 %
tPLH
tf
90 %
50 %
10 %
tPHL
Output Y
50 %
50 %
• Waveform – 2
tf
Input C
90 %
50 %
10 %
tZL
Waveform - A
50 %
tZH
Waveform - B
50 %
tr
10 %
90 %
50 %
tLZ
tHZ
10 %
90 %
Notes : 1. tr ≤ 6 ns, tf ≤ 6 ns
2. Input waveform : PRR ≤ 1 MHz, duty cycle 50%
3. Waveform– A is for an output with internal conditions such that the
output is low except when disabled by the output control.
4. Waveform– B is for an output with internal conditions such that the
output is high except when disabled by the output control.
VCC
0V
VOH
VOL
VCC
0V
VOH
VOL
VOH
VOL
REJ03D0565-0300 Rev.3.00 Mar 25, 2009
Page 5 of 8
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HD74HC125.PDF ] | |
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