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Teilenummer | M74HC125 |
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Beschreibung | QUAD BUS BUFFERS 3-STATE | |
Hersteller | ST Microelectronics | |
Logo | ||
Gesamt 11 Seiten 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
1/11
M54/M74HC125/126
TEST CIRCUIT ICC (Opr.)
HC125
THE OTHER INPUTS ARE CONNECTED TO VCC LINE OR GND LINE
HC126
THE OTHER INPUTS ARE CONNECTED TO VCC LINE OR GND LINE
6/11
6 Page | ||
Seiten | Gesamt 11 Seiten | |
PDF Download | [ M74HC125 Schematic.PDF ] |
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