m54hc137k STMicroelectronics, m54hc137k Datasheet

m54hc137k

Manufacturer Part Number

m54hc137k

Description

3 To 8 Line Decoder/latch Inverting

Manufacturer

STMicroelectronics

Datasheet

1.M54HC137K.pdf (10 pages)

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DESCRIPTION

The M54HC137 is an high speed CMOS 3 TO 8

LINE DECODER/LATCH (INVERTING) fabricated

with silicon gate C

This device is a 3 to 8 line decoder with latches on

the three address inputs. When GL goes from low

PIN CONNECTION

March 2004

HIGH SPEED:

LOW POWER DISSIPATION:

HIGH NOISE IMMUNITY:

SYMMETRICAL OUTPUT IMPEDANCE:

BALANCED PROPAGATION DELAYS:

WIDE OPERATING VOLTAGE RANGE:

PIN AND FUNCTION COMPATIBLE WITH

54 SERIES 137

SPACE GRADE-1: ESA SCC QUALIFIED

50 krad QUALIFIED, 100 krad AVAILABLE ON

REQUEST

NO SEL UNDER HIGH LET HEAVY IONS

IRRADIATION

DEVICE FULLY COMPLIANT WITH

SCC-9205-013

PLH

NIH

=18ns (TYP.) at V

= 2 A (MAX.) at T

| = I

RAD-HARD 3 TO 8 LINE DECODER/LATCH (INVERTING)

(OPR) = 2V to 6V

= V

PHL

NIL

= 4mA (MIN)

= 28% V

MOS technology.

=25°C

(MIN.)

= 6V

ORDER CODES

to high, the addresses present at the select inputs

(A, B, and C) is stored in the latches. As long as

GL remains high no address changes will be

recognized. Output enable pins G1 and G2,

control the state of the outputs independently of

the select or latch-enable inputs. All the outputs

are high unless G1 is high and G2 is low. The

54HC137 is ideally suited for the implementation

application in bus oriented systems.

All inputs are equipped with protection circuits

against static discharge and transient excess

voltage.

PACKAGE

DILC

FPC

glitch-free

DILC-16

M54HC137D

M54HC137K

decoders

M54HC137

FPC-16

M54HC137D1

M54HC137K1

stored-address

1/10

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m54hc137k Summary of contents

Page 1

... All the outputs are high unless G1 is high and G2 is low. The 54HC137 is ideally suited for the implementation of glitch-free decoders application in bus oriented systems. All inputs are equipped with protection circuits against static discharge and transient excess voltage. FPC-16 EM M54HC137D1 M54HC137K1 in stored-address 1/10 ...

Page 2

M54HC137 IEC LOGIC SYMBOLS INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE INPUTS ENABLE SELECT ...

Page 3

LOGIC DIAGRAM This logic diagram has not be used to estimate propagation delays ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output ...

Page 4

M54HC137 RECOMMENDED OPERATING CONDITIONS Symbol V Supply Voltage CC V Input Voltage I V Output Voltage O T Operating Temperature op Input Rise and Fall Time SPECIFICATIONS Symbol Parameter V V High Level Input ...

Page 5

AC ELECTRICAL CHARACTERISTICS (C Symbol Parameter Output Transition TLH THL Time t t Propagation Delay PLH PHL Time ( Propagation Delay PLH PHL Time ( Propagation Delay PLH PHL ...

Page 6

M54HC137 TEST CIRCUIT C = 50pF or equivalent (includes jig and probe capacitance pulse generator (typically OUT WAVEFORM 1: PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle) 6/10 ...

Page 7

WAVEFORM 2: MINIMUM PULSE WIDTH, SETUP AND HOLD TIME (f=1MHz; 50% duty cycle) M54HC137 7/10 ...

Page 8

M54HC137 DIM. MIN. A 2.1 a1 3.00 a2 0.63 B 1.82 b 0.40 b1 0.20 D 20. 17.65 e3 7. 10.90 L 1.14 8/10 DILC-16 MECHANICAL DATA mm. TYP MAX. 2.71 3.70 ...

Page 9

FPC-16 MECHANICAL DATA DIM. MIN. A 6.75 B 9.76 C 1.49 D 0.102 0.127 E 8. 0.38 H 6.0 L 18. mm. TYP MAX. MIN. 6.91 7.06 0.266 9.94 ...

Page 10

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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