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參數(shù)資料
| 型號(hào)： | M54HCT125 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Low-Voltage Adjustable Precision Shunt Regulator 5-SOT-23 -40 to 85 |
| 中文描述： | 四總線緩沖器的三態(tài) |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 252K |
| 代理商： | M54HCT125 |
M54/74HCT125
M54/74HCT126
October 1993
QUAD BUS BUFFERS (3-STATE)
B1R
(Plastic Package)
ORDER CODES :
M54HCTXXXF1R
M74HCTXXXB1R
M74HCTXXXM1R
M74HCTXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
DESCRIPTION
.
HIGH SPEED
t
PD
= 12 ns(TYP.) AT V
CC
= 5 V
.
LOWPOWER DISSIPATION
I
CC
= 4
μ
A(MAX.) AT 25
°
C
.
OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
SYMMETRICAL OUTPUT IMPEDANCE
I
OL
=
I
OH
= 6 mA(MIN.)
.
COMPATIBLE WITHTTL OUTPUTS
V
IH
= 2V (MIN.) V
IL
= 0.8V (MAX)
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS125/126
The M54/74HCT125/126 are high speed CMOS
QUAD BUS BUFFER (3-STATE) FABRICATED IN
SILICON GATEC
2
MOS technology. They have the
same high speed performance ofLSTTL combined
with trueCMOS lowpower consumption. Thesede-
vices require the same 3-STATE control input G to
be takenhigh tomake the outputgointothehigh im-
pedancestate.This integrated circuit has input and
output characteristics that are fully compatible with
54/74 LSTTL logic families. M54/74HCT devices
are designed to directly interface HSC
2
MOS sys-
tems with TTL and NMOS components. They are
also plugin replacements for LSTTL devices giving
a reduction of power consumption. All inputs are
equipped with protection circuits against static dis-
charge and transient excess voltage.
HCT125
HCT126
1/10
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