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PDF 74ACT253SC Data sheet ( Hoja de datos )
| Número de pieza | 74ACT253SC | |
| Descripción | Dual 4-Input Multiplexer with 3-STATE Outputs | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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November 1988
Revised October 2000
74AC253 • 74ACT253
Dual 4-Input Multiplexer with 3-STATE Outputs
General Description
The AC/ACT253 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 individu-
ally 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.
Features
s ICC and IOZ reduced by 50%
s Multifunction capability
s Non inverting 3-STATE outputs
s Outputs source/sink 24 mA
s ACT253 has TTL-compatible inputs
Ordering Code:
Order Number Package Number
Package Description
74AC253SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74AC253SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74AC253PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
74ACT253SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74ACT253SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACT253MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74ACT253PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Device also available Tape and Reel. Specify by appending suffix letterw“Xw”wt.oDathtaeSohredeet4riUng.cocmode.
Logic Diagrams
Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names
I0a–I3a
I0b–I3b
S0, S1
OEa
OEb
Za, Zb
Description
Side A Data Inputs
Side B Data Inputs
Common Select Inputs
Side A Output Enable Input
Side B Output Enable Input
3-STATE Outputs
FACT is a trademark of Fairchild Semiconductor Corporation.
© 2000 Fairchild Semiconductor Corporation DS009946
www.fairchildsemi.com
1 page  
AC Electrical Characteristics for ACT
Symbol
Parameter
tPLH Propagation Delay
Sn to Zn
tPHL Propagation Delay
Sn to Zn
tPLH Propagation Delay
In to Zn
tPHL Propagation Delay
In to Zn
tPZH Output Enable Time
tPZL Output Enable Time
tPHZ Output Disable Time
tPLZ Output Disable Time
Note 8: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 8)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Min
2.0
3.0
2.5
3.5
2.0
2.0
3.0
2.5
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
4.5
50.0
TA = +25°C
CL = 50 pF
Typ
7.0
Max
11.5
7.5 13.0
5.5 10.0
6.5 11.0
4.5 7.5
5.0 8.0
6.0 9.5
4.5 7.5
TA = −40°C to +85°C
CL = 50 pF
Min Max
2.0 13.0
2.5 14.5
2.0 11.0
3.0 12.5
1.5 8.5
1.5 9.0
2.5 10.0
2.0 8.5
Units
pF
pF
VCC = OPEN
VCC = 5.0V
Conditions
Units
ns
ns
ns
ns
ns
ns
ns
ns
5 www.fairchildsemi.com
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet 74ACT253SC.PDF ] | |
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