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M74HCT139 データシート(PDF) 1 Page - STMicroelectronics

部品番号 M74HCT139
部品情報  DUAL 2 TO 4 DECODER/DEMULTIPLEXER
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HCT139 データシート(HTML) 1 Page - STMicroelectronics

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M54HCT139
M74HCT139
February 1993
DUAL 2 TO 4 DECODER/DEMULTIPLEXER
B1R
(Plastic Package)
ORDER CODES :
M54HCT139F1R
M74HCT139M1R
M74HCT139B1R
M74HCT139C1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
DESCRIPTION
.
HIGH SPEED
tPD = 17 ns (TYP.) AT VCC =5 V
.
LOW POWER DISSIPATION
ICC =4
µA (MAX.) AT TA =25 °C
.
COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.) VIL = 0.8V (MAX)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
|IOH|= IOL = 4 mA (MIN.)
.
BALANCED PROPAGATION DELAYS
tPLH =tPHL
.
PIN AND FUNCTION COMPATIBLE
WITH 54/74LS139
The M54/74HCT139 is a high speed CMOS DUAL
TWO LINE TO FOUR LINE DECODER/DEMULTI-
PLEXER fabricated in silicon gate C2MOS technol-
ogy. It has the same high speed performance of
LSTTL combined with true CMOS low power con-
sumption. The active low enable input can be used for
gating or as a data input for demultiplexing applica-
tions. While the enable input is held high, all four out-
puts are high independently of the other inputs. All
inputs are equipped with protection circuits against
static discharge and transient excess volt-age.This in-
tegrated 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
2MOS systems with TTL and NMOS
components. They are also plug in replacements for
1/9


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