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PDF M74HC258 Data sheet ( Hoja de datos )
| Número de pieza | M74HC258 | |
| Descripción | QUAD 2 CHANNEL MULTIPLEXER | |
| Fabricantes | ST Microelectronics | |
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M74HC258
QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING)
s HIGH SPEED :
tPD = 11 ns (TYP.) at VCC = 6V
s LOW POWER DISSIPATION:
ICC =4µA(MAX.) at TA=25°C
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 6mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 258
DESCRIPTION
The M74HC258 is an high speed CMOS QUAD 2
CHANNEL MULTIPLEXER (3-STATE) fabricated
with silicon gate C2MOS technology.
This IC is composed of four independent
2-channel multiplexer with common SELECT and
ENABLE INPUT.
The M74HC258 is an inverting multiplexer.
DIP
SOP
TSSOP
ORDER CODES
PACKAGE
TUBE
DIP
SOP
TSSO P
M74HC258B1R
M74HC258M1R
T&R
M74HC258RM13TR
M74HC258TTR
When the ENABLE INPUT (OE) is held ”High”,
outputs of the IC become High-Impedance state. If
SELECT INPUT is held ”LOW”, ”A” data is
selected, when SELECT INPUT is High ”H”, ”B”
data is chosen.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 2001
1/11
1 page  
M74HC258
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Value
Symbol
Parameter
tTLH tTHL Output Transition
Time
tPLH tPHL Propagation Delay
Time
(A, B - Y)
tPLH tPHL Propagation Delay
Time
(SELECT - Y)
tPZL tPZH High Impedance
Output Enable
Time
tPLZ tPHZ High Impedance
Output Disable
Time
VCC
(V)
2.0
4.5 50
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
2.0
4.5 150
6.0
2.0
4.5 50
6.0
RL = 1 KΩ
RL = 1 KΩ
RL = 1 KΩ
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min.
Typ. Max.
25 60
7 12
6 10
45 100
13 20
11 17
62 140
18 28
15 24
45 100
13 20
11 17
62 140
18 28
15 24
40 110
12 22
10 19
57 150
17 30
14 26
28 140
14 28
13 24
Min.
Max.
75
15
13
125
25
21
175
35
30
125
25
21
175
35
30
140
28
24
190
38
32
175
35
30
Min.
Max.
90
19
15
150
30
26
210
42
36
150
30
26
210
42
36
165
33
28
225
45
38
210
42
36
ns
ns
ns
ns
ns
ns
ns
ns
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
CIN
COUT
CPD
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
5 10 10 10 pF
10 pF
47 pF
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/4 (per
Channel)
5/11
5 Page 
M74HC258
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the
consequences of use of such information nor for any infringe ment of patents or other righ ts of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications
mentioned in this pub lication are subject to change without notice. Thi s pub lication supersedes and replaces all information
previously supplied. STMicroelectronics prod ucts are not authori zed for use as critical components in life suppo rt devices or
systems without express written approval of STMicroelectronics.
© The ST logo is a registered trademark of STMicroelectronics
© 2001 STMicroelectronics - Printed in Italy - All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco
Singapore - Spain - Sweden - Swit zerland - United Kingdom
© http://w ww.st.com
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet M74HC258.PDF ] | |
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