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даташит M54HC125B1R PDF ( Datasheet )

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Номер произв M54HC125B1R
Описание QUAD BUS BUFFERS 3-STATE
Производители ST Microelectronics
логотип ST Microelectronics логотип 



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M54HC125B1R Даташит, Описание, Даташиты
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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M54HC125B1R Даташит, Описание, Даташиты
M54/M74HC125/126
CHIP CARRIER
HC125
HC126
TRUTH TABLE (HC125)
AG
XH
LL
HL
Y
Z
L
H
PIN DESCRIPTION (HC125)
PIN No
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
SYMBOL
G1 to G4
A1 to A4
Y1 to Y4
GND
VCC
NAME AND FUNCTION
Output Enable Input
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOLS
HC125
TRUTH TABLE (HC126)
AG
XL
LH
HH
Y
Z
L
H
PIN DESCRIPTION (HC126)
PIN No
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
SYMBOL
G1 to G4
A1 to A4
Y1 to Y4
GND
VCC
NAME AND FUNCTION
Output Enable Input
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
HC126
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M54HC125B1R Даташит, Описание, Даташиты
CIRCUIT DIAGRAM
HC125
M54/M74HC125/126
HC126
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
-0.5 to +7
V
VI DC Input Voltage
-0.5 to VCC + 0.5
V
VO
IIK
IOK
IO
ICC or IGND
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
DC Output Source Sink Current Per Output Pin
DC VCC or Ground Current
-0.5 to VCC + 0.5
± 20
± 20
± 35
± 70
V
mA
mA
mA
mA
PD Power Dissipation
500 (*)
mW
Tstg Storage Temperature
-65 to +150
oC
TL Lead Temperature (10 sec)
300 oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied.
(*) 500 mW: 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VI
VO
Top
tr, tf
Parameter
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature: M54HC Series
M74HC Series
Input Rise and Fall Time
VCC = 2 V
VCC = 4.5 V
VCC = 6 V
Value
2 to 6
0 to VCC
0 to VCC
-55 to +125
-40 to +85
0 to 1000
0 to 500
0 to 400
Unit
V
V
V
oC
oC
ns
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