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PDF 74ACT245SJ Data sheet ( Hoja de datos )
| Número de pieza | 74ACT245SJ | |
| Descripción | Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs | |
| Fabricantes | Fairchild Semiconductor | |
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November 1988
Revised November 1999
74AC245 • 74ACT245
Octal Bidirectional Transceiver with 3-STATE
Inputs/Outputs
General Description
The AC/ACT245 contains eight non-inverting bidirectional
buffers with 3-STATE outputs and is intended for bus-ori-
ented applications. Current sinking capability is 24 mA at
both the A and B ports. The Transmit/Receive (T/R) input
determines the direction of data flow through the bidirec-
tional transceiver. Transmit (active-HIGH) enables data
from A ports to B ports; Receive (active-LOW) enables
data from B ports to A ports. The Output Enable input,
when HIGH, disables both A and B ports by placing them in
a HIGH Z condition.
Features
s ICC and IOZ reduced by 50%
s Noninverting buffers
s Bidirectional data path
s A and B outputs source/sink 24 mA
s ACT245 has TTL-compatible inputs
Ordering Code:
Order Number Package Number
Package Description
74AC245SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body
74AC245SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74AC245MTC
74AC245PC
MTC20
N20A
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
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20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
74ACT245SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body
74ACT245SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACT245MSA
MSA20
20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
74ACT245MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74ACT245PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
FACT is a trademark of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS009944
www.fairchildsemi.com
1 page  
AC Electrical Characteristics for ACT
Symbol
Parameter
tPLH Propagation Delay
An to Bn or Bn to An
tPHL Propagation Delay
An to Bn or Bn to An
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
Min
1.5
1.5
1.5
1.5
1.5
2.0
Capacitance
TA = +25°C
CL = 50 pF
Typ
4.0
4.0
5.0
5.5
5.5
5.0
Max
7.5
8.0
10.0
10.0
10.0
10.0
TA = −40°C to +85°C
CL = 50 pF
Min Max
1.5 8.0
1.0 9.0
1.5 11.0
1.5 12.0
1.0 11.0
1.5 11.0
Symbol
CIN
CI/O
CPD
Parameter
Input Capacitance
Input/Output Capacitance
Power Dissipation Capacitance
Typ
4.5
15.0
45.0
Units
pF
pF
pF
Conditions
VCC = OPEN
VCC = 5.0V
VCC = 5.0V
Units
ns
ns
ns
ns
ns
ns
5 www.fairchildsemi.com
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74ACT245SJ.PDF ] | |
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