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PDF MC74ACT253 Data sheet ( Hoja de datos )
| Número de pieza | MC74ACT253 | |
| Descripción | DUAL 4-INPUT MULTIPLEXER | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74AC253, MC74ACT253
Dual 4-Input Multiplexer
with 3-State Outputs
The MC74AC253/74ACT253 is a dual 4−input multiplexer with
3−state outputs. It can select two bits of data from four sources using
common select inputs. The outputs may be individually switched to a
high impedance state with a HIGH on the respective Output Enable
(OE) inputs, allowing the outputs to interface directly with bus
oriented systems.
• Multifunctional Capability
• Noninverting 3−State Outputs
• Outputs Source/Sink 24 mA
• ′ACT253 Has TTL Compatible Inputs
• These are Pb−Free Devices
VCC OEb S0 I3b I2b I1b I0b Zb
16 15 14 13 12 11 10 9
12345678
OEa S1 I3a I2a I1a I0a Za GND
Figure 1. Pinout: 16−Lead Packages Conductors
(Top View)
PIN NAME
PIN
I0a−I3a
I0b−I3b
S0, S1
OEa
OEb
Za, Zb
FUNCTION
Side A Data Inputs
Side B Data Inputs
Common Select Inputs
Side A Output Enable Input
Side B Output Enable Input
3−State Outputs
www.onsemi.com
16
1
16
1
MARKING
DIAGRAMS
16
SOIC−16
D SUFFIX
CASE 751B
1
xxx253G
AWLYWW
TSSOP−16
DT SUFFIX
CASE 948F
16
xxx
253
ALYWG
G
1
xxx = AC or ACT
A = Assembly Location
WL or L = Wafer Lot
Y = Year
WW or W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
March, 2015 − Rev. 7
1
Publication Order Number:
MC74AC253/D
1 page  
MC74AC253, MC74ACT253
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
Min Typ Max
TA = −40°C
to +85°C
CL = 50 pF
Min Max
Unit
Fig.
No.
tPLH
tPHL
tPLH
tPHL
tPZH
Propagation Delay
Sn to Zn
Propagation Delay
Sn to Zn
Propagation Delay
In to Zn
Propagation Delay
In to Zn
Output Enable Time
3.3 2.0
5.0 2.0
3.3 2.5
5.0 2.0
3.3 1.5
5.0 1.5
3.3 2.0
5.0 1.5
3.3 1.5
5.0 1.5
− 15.5 2.0 17.5
− 11.0 1.5 12.5
− 16.0 2.0 18.0
− 11.5 1.5 13.0
− 14.5 1.5 17.0
− 10.0 1.5 11.5
− 13.0 1.5 15.0
− 9.5 1.5 11.0
− 8.0 1.0 8.5
− 6.0 1.0 6.5
ns
ns
ns
ns
ns
3−6
3−6
3−5
3−5
3−7
tPZL Output Enable Time
3.3 1.5 − 8.0 1.0 9.0
5.0 1.5 − 6.0 1.0 7.0 ns
3−8
tPHZ
Output Disable Time
3.3 2.0 − 9.5 1.5 10.0
5.0 2.0 − 8.0 1.5 8.5 ns
3−7
tPLZ Output Disable Time
3.3 1.5 − 8.0 1.0 9.0
5.0 1.5 − 7.0 1.0 7.5 ns
3−8
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
www.onsemi.com
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MC74ACT253.PDF ] | |
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