m74hc154 STMicroelectronics, m74hc154 Datasheet

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m74hc154

Manufacturer Part Number
m74hc154
Description
4 To 16 Line Decoder/demultiplexer
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The 74HC154 is a high speed CMOS 4 TO 16-LINE
DECODER/DEMULTIPLEXER fabricated in silicon
gate C
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.
October 1993
HIGH SPEED
t
LOW POWER DISSIPATION
I
HIGH NOISE IMMUNITY
V
OUTPUT DRIVE CAPABILITY
15 LSTTL LOADS
SYMMETRICAL OUTPUT IMPEDANCE
BALANCED PROPAGATION DELAYS
t
WIDE OPERATING VOLTAGE RANGE
V
PIN AND FUNCTION COMPATIBLE
WITH 54/74LS154
PD
CC
PLH
IOH = I
NIH
CC
= 15 ns (TYP.) at V
2
= 4 A (MAX.) at T
MOS technology. It has the same high speed
= t
(OPR) = 2 V to 6 V
= V
PHL
NIL
OL
= 28 % V
= 4 mA (MIN.)
CC
A
CC
(MIN.)
= 25 C
= 5 V
4 TO 16 LINE DECODER/DEMULTIPLEXER
NC =
No Internal
Connecti o n
(Plastic Package)
M74HC154B1R
PIN CONNECTIONS (top view)
B1R
ORDER CODES :
M74HC154
M74HC154M1R
(Micro Package)
M1R
1/8

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m74hc154 Summary of contents

Page 1

... All inputs are equipped with protection circuits against static discharge and transient excess voltage. October 1993 M74HC154 B1R (Plastic Package) (Micro Package) ORDER CODES : M74HC154B1R M74HC154M1R PIN CONNECTIONS (top view Internal Connecti o n M1R 1/8 ...

Page 2

... M74HC154 TRUTH TABLE Don’t Care LOGIC DIAGRAM 2/8 INPUTS ...

Page 3

... PIN 10, 11, 13, 14, 15, 16, 17 18, 19 23, 22, 21 M74HC154 SYMBOL NAME AND FUNCTION Y0 to Y15 Outputs (Active LOW) G1, G2 Enable Inputs (Active LOW Address Inputs GND Ground (0V) V Positive Supply Voltage CC ...

Page 4

... M74HC154 RECOMMENDED OPERATING CONDITIONS Symbol Parameter V Supply Voltage CC V Input Voltage I V Output Voltage O T Operating Temperature Input Rise and Fall Time SPECIFICATIONS Symbol Parameter V High Level Input Voltage IH V Low Level Input IL Voltage V High Level Output Voltage OH V Low Level Output Voltage ...

Page 5

... Min. Typ. 2.0 30 4.5 8 6.0 7 2.0 65 4.5 19 6.0 16 2.0 55 4 (opr TEST CIRCUIT I (Opr.) CC INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICSTEST. M74HC154 Value o Unit C - Max. Min. Max 175 220 160 200 ...

Page 6

... M74HC154 Plastic DIP24 (0.25) MECHANICAL DATA DIM. MIN 0. 15 6/8 mm TYP. MAX. MIN. 0.63 0.45 0.31 0.009 1.27 32.2 16.68 0.598 2.54 27.94 14.1 4.445 3.3 inch TYP. MAX. 0.025 0.018 0.012 0.050 1.268 0.657 0.100 1.100 0.555 0.175 0.130 P043A ...

Page 7

... SO24 MECHANICAL DATA mm DIM. MIN. TYP 0. 0.35 b1 0. 15.20 E 10.00 e 1.27 e3 13.97 F 7. MAX. MIN. 2.65 0.20 0.004 2.45 0.49 0.013 0.32 0.009 45 (typ.) 15.60 0.598 10.65 0.393 7.60 0.291 1.27 0.19 8 (max M74HC154 inch TYP. MAX. 0.104 0.007 0.096 0.019 0.012 0.020 0.614 0.420 0.05 0.55 0.299 0.050 c1 E 7/8 ...

Page 8

... 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 ...

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