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PDF M54HC126F1R Data sheet ( Hoja de datos )

Número de pieza M54HC126F1R
Descripción QUAD BUS BUFFERS 3-STATE
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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No Preview Available ! M54HC126F1R Hoja de datos, Descripción, Manual

M54/74HC125
M54/74HC126
. HIGH SPEED
tPD = 8 ns (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) AT 25 °C
. OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. SYMMETRICAL OUTPUT IMPEDANCE
IOL = IOH= 6 mA (MIN.)
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS125/126
QUAD BUS BUFFERS (3-STATE)
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
ORDER CODES :
M54HCXXXF1R M74HCXXXM1R
M74HCXXXB1R M74HCXXXC1R
DESCRIPTION
The M54/74HC125/126 are high speed CMOS
QUAD BUS BUFFER (3-STATE) FABRICATED IN
SILICON GATE C2MOS technology.
They have the same high speed performance of
LSTTL combined with true CMOS low power con-
sumption.
These devices require the same 3-STATE control
input G to be taken high to make the output go into
the high impedance state.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
PIN CONNECTIONS (top view)
HC125
INPUT AND OUTPUT EQUIVALENT CIRCUIT
HC126
September 1993
NC =
No Internal
Connection
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M54HC126F1R pdf
M54/M74HC125/126
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC CL
(V) (pF)
TA = 25 oC
54HC and 74HC
Min. Typ. Max.
Value
-40 to 85 oC
74HC
Min. Max.
-55 to 125 oC
54HC
Min. Max.
Unit
tTLH Output Transition 2.0
tTHL Time
4.5 50
20 60 75 90
6 12 15 18 ns
6.0 5 10 13 15
tPLH Propagation
tPHL Delay Time
2.0
4.5 50
36 75
9 15
95 110
19 22 ns
6.0 8 13 16 19
2.0
4.5 150
52 105 130 160
13 21 26 32 ns
6.0 11 18 22 27
tPZL 3 State Output
tPZH Enable Time
2.0
4.5 50 RL = 1 K
36 75
9 15
95 110
19 22 ns
6.0 8 13 16 19
2.0 52 105 130 160
4.5 150 RL = 1 K
13 21
26
32 ns
6.0 11 18 22 27
tPLZ 3 State Output
tPHZ Disable Time
2.0
4.5 50 RL = 1 K
48 80
12 16
100 120
20 24 ns
6.0 10 14 17 20
CIN
CPD (*)
Input Capacitance
Power Dissipation
Capacitance
5 10 10 10 pF
35 pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD VCC fIN + ICC
SWITCHING CHARACTERISTICS TEST WAVEFORM
HC125
A
G
Y
Y
HC126
A
Y
G
Y
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M54HC126F1R arduino
M54/M74HC125/126
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
© 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
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