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74ACT11478NT Datasheet(Hoja de datos) 3 Page - Texas Instruments

No. de Pieza. 74ACT11478NT
Descripción  METASTABLE-RESISTAND OCTAL D-TYPE DUAL-RANK FLIP-FLOP WITH 3-STATE OUTPUTS
Descarga  5 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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74ACT11478
METASTABLERESISTAND OCTAL DTYPE DUALRANK FLIPFLOP
WITH 3-STATE OUTPUTS
SCAS131 − APRIL 1990 − REVISED APRIL 1993
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN
MAX
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
UNIT
IOH = − 50 A
4.5 V
4.4
4.4
IOH = − 50 mA
5.5 V
5.4
5.4
VOH
IOH = − 24 mA
4.5 V
3.94
3.8
V
VOH
IOH = − 24 mA
5.5 V
4.94
4.8
V
IOH = − 75 mA{
5.5 V
3.85
IOL = 50 A
4.5 V
0.1
0.1
IOL = 50 mA
5.5 V
0.1
0.1
VOL
IOL = 24 mA
4.5 V
0.36
0.44
V
VOL
IOL = 24 mA
5.5 V
0.36
0.44
V
IOL = 75 mA{
5.5 V
1.65
IOZ
VO = VCC or GND
5.5 V
± 0.5
± 5
mA
II
VI = VCC or GND
5.5 V
± 0.1
± 1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
8
80
mA
DICC‡
One input at 3.4 V,
5.5 V
0.9
1
mA
DICC‡
One input at 3.4 V,
Other inputs at GND or VCC
5.5 V
0.9
1mA
Ci
VI = VCC or GND
5 V
4.5
pF
Co
VO = VCC or GND
5 V
12
pF
† Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
TA = 25°C
MIN
MAX
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
0
75
0
75
MHz
tw
Pulse duration
CLK high
4
4
ns
tw
Pulse duration
CLK low
5
5
ns
tsu
Setup time, data before CLK
2.7
2.7
ns
th
Hold time, data after CLK
1.5
1.5
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
TA = 25°C
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
fmax
7.5
75
MHz
tPLH
CLK
Q
4.3
7.4
10.1
4.3
11.6
ns
tPHL
CLK
Q
5.6
9.4
12.6
5.6
14.2
ns
tPZH
OE
Q
3.7
7.5
11.1
3.7
12.6
ns
tPZL
OE
Q
4.7
9.2
13.7
4.7
15.8
ns
tPHZ
OE
Q
4.4
7.2
9.2
4.4
9.8
ns
tPLZ
OE
Q
4.7
6.6
8.7
4.7
9.3
ns




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