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PDF 74ACT16244MTD Data sheet ( Hoja de datos )
| Número de pieza | 74ACT16244MTD | |
| Descripción | 16-Bit Buffer/Line Driver with 3-STATE Outputs | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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August 1999
Revised November 2000
74AC16244 • 74ACT16244
16-Bit Buffer/Line Driver with 3-STATE Outputs
General Description
The AC16244 and ACT16244 contain sixteen non-inverting
buffers with 3-STATE outputs designed to be employed as
a memory and address driver, clock driver, or bus oriented
transmitter/receiver. The device is nibble controlled. Each
nibble has separate 3-STATE control inputs which can be
shorted together for full 16-bit operation.
Features
s Separate control logic for each byte and nibble
s 16-bit version of the AC244/ACT244
s Outputs source/sink 24 mA
s ACT16244 has TTL-compatible inputs
Ordering Code:
Order Number Package Number
Package Description
74AC16244SSC
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
74ACT16244SSC
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
74ACT16244MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
Pin Descriptions
Pin Names
OEn
I0 - I15
O0 - 015
Description
Output Enable Input (Active LOW)
Inputs
Outputs
FACT is a trademark of Fairchild Semiconductor Corporation.
© 2000 Fairchild Semiconductor Corporation DS500295
www.fairchildsemi.com
1 page  
AC Electrical Characteristics for AC
Symbol
Parameter
tPLH Propagation Delay
Data to Output
tPHL Propagation Delay
Data to Output
tPZH Output Enable Time
tPZL Output Enable Time
tPHZ Output Disable Time
tPLZ Output Disable Time
Note 7: Voltage Range 5.0 is 5.0V ± 0.5V.
Voltage Range 3.3 is 3.3V ± 0.3V.
VCC
(V)
(Note 7)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C
CL = 50 pF
Min Typ Max
2.0 6.3 9.4
1.6 4.6 6.5
2.4 5.7 10.7
2.0 4.3 7.0
2.2 6.2 10
1.7 4.6 6.7
2.9 6.4 13.0
2.2 4.7 8.1
3.1 5.5 8.4
1.9 3.9 7.8
2.4 4.7 8.1
1.7 3.6 7.2
TA = −40°C to +85°C
CL = 50 pF
Min Max
2.0 10.8
1.6 7.1
2.4 11.8
2.0 7.9
2.2 11.5
1.7 7.5
2.9 14.6
2.2 9.0
3.1 9.1
1.9 8.4
2.4 8.8
1.7 7.6
AC Electrical Characteristics for ACT
Symbol
Parameter
tPLH Propagation Delay
tPHL Data to Output
tPZH Output Enable
tPZL Time
tPHZ Output Disable
tPLZ Time
Note 8: Voltage Range 5.0 is 5.0V ± 0.5V.
VCC
(V)
(Note 8)
5.0
5.0
5.0
TA = +25°C
CL = 50 pF
Min Typ Max
3.0 5.2 7.3
2.5 4.8 6.8
2.5 5.0 7.4
2.7 4.6 7.5
2.3 5.0 7.9
2.0 4.6 7.4
TA = −40°C to +85°C
CL = 50 pF
Min Max
3.0 7.8
2.5 7.3
2.5 7.9
2.7 8.0
2.3 8.2
2.0 7.9
Capacitance
Symbol
CIN
COUT
CPD
Parameter
Input Pin Capacitance
Output Pin Capacitance
Power Dissipation Capacitance
74AC16244
74ACT16244
Typ
4.5
12
35
30
Units
pF
pF
pF
VCC = 5.0V
VCC = 5.0V
VCC = 5.0V
Conditions
Units
ns
ns
ns
ns
ns
ns
Units
ns
ns
ns
5 www.fairchildsemi.com
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| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet 74ACT16244MTD.PDF ] | |
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