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PDF ( 数据手册 , 数据表 ) M74HC154

零件编号 M74HC154
描述 4 TO 16 LINE DECODER/DEMULTIPLEXER
制造商 ST Microelectronics
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M74HC154 数据手册, 描述, 功能
M74HC154
4 TO 16 LINE DECODER/DEMULTIPLEXER
. HIGH SPEED
. tPD = 15 ns (TYP.) at VCC = 5 V
. LOW POWER DISSIPATION
ICC = 4 µA (MAX.) at TA = 25 °C
. HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
IOH= IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V to 6 V
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS154
B1R
(Plastic Package)
M1R
(Micro Package)
ORDER CODES :
M 74HC 15 4B 1R
M 74H C1 54 M1 R
PIN CONNECTIONS (top view)
DESCRIPTION
The 74HC154 is a high speed CMOS 4 TO 16-LINE
DECODER/DEMULTIPLEXER fabricated in silicon
gate C2MOS technology. It has the same high speed
performance of LSTTL combined with true CMOS low
power consumption.
A binary code applied to the four inputs (A to D) pro-
vides a low level at the selected one of sixteen outputs
excluding the other fifteen outputs, when both the
strobe inputs, G1 and G2, are held low. When either
strobe input is held high, the decording function is in-
hibited to keep all outputs high. The strobe function
makes it easy to expand the decoding lines through
cascading, and simplifies the design of address de-
coding circuits in memory control systems.
All inputs are equipped with protection circuits against
static discharge and transient excess voltage.
NC =
No Internal
Connection
October 1993
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M74HC154 pdf, 数据表
M74HC154
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
© 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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