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參數(shù)資料
| 型號： | M54HC138 |
| 廠商： | 意法半導體 |
| 英文描述： | 3 TO 8 LINE DECODER INVERTING |
| 中文描述： | 3至8線譯碼器反相 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 242K |
| 代理商： | M54HC138 |
M54HC138
M74HC138
October 1992
3 TO 8 LINE DECODER (INVERTING)
B1R
(Plastic Package)
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
ORDER CODES :
M54HC138F1R
M74HC138B1R
M74HC138M1R
M74HC138C1R
DESCRIPTION
The M54/74HC138 is a highspeed CMOS 3 TO 8
LINE DECODER fabricated in silicon gate C
2
MOS
technology.
It has the same high speed performance of LSTTL
combined with true CMOS low power consumption.
If the device is enabled, 3 binary select inputs (A, B
and C) determine which one of the outputs will go
low. If enable input G1 is held low or either G2A or
G2B is held high, the decoding function is inhibited
and all the 8 outputs go high.
Three enable inputs are provided to ease cascade
connection and application of address decoders for
memory systems. All inputs are equipped with pro-
tection circuits against static discharge and tran-
sient excess voltage.
.
HIGH SPEED
t
PD
= 16 ns(TYP.) AT V
CC
= 5 V
.
LOWPOWER DISSIPATION
I
CC
= 4
μ
AAT T
A
= 25
°
C
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
SYMMETRICAL OUTPUT IMPEDANCE
|I
OH
| = I
OL
.
HIGH NOISE IMMUNITY
V
NIH
= V
NIL
= 28 % V
CC
(MIN.)
.
WIDE OPERATING VOLTAGE RANGE
V
CC
(OPR) = 2 V TO6 V
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS138
1/10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M54HC138F1R | 3 TO 8 LINE DECODER INVERTING |
| M54HC139 | M54HC138F1R M74HC138M1R M74HC138B1R M74HC138C1R |
| M54HC139F1R | M54HC138F1R M74HC138M1R M74HC138B1R M74HC138C1R |
| M54HC147F1R | Manganese Dioxide Battery; Voltage Rating:12V; Battery Capacity:40mAh; Battery Terminals:Pressure Contact; Diameter:10.3mm; Height:28.5mm RoHS Compliant: NA |
| M54HC147 | 10 TO 4 LINE PRIORITY ENCODER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M54HC138_04 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD-HARD 3 TO 8 LINE DECODER (INVERTING) |
| M54HC138D | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD HARD 3 TO 8 LINE DECODER (INVERTING) |
| M54HC138D1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD HARD 3 TO 8 LINE DECODER (INVERTING) |
| M54HC138F1R | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3 TO 8 LINE DECODER INVERTING |
| M54HC138K | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAD HARD 3 TO 8 LINE DECODER (INVERTING) |
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