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SN74AHC273DW Datasheet(PDF) 6 Page - Texas Instruments

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No. de pieza SN74AHC273DW
Descripción Electrónicos  Octal D-Type Flip-Flops With Clear
Download  30 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

SN74AHC273DW Datasheet(HTML) 6 Page - Texas Instruments

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SN54AHC273, SN74AHC273
SCLS376I – JUNE 1997 – REVISED MARCH 2015
www.ti.com
7.7 Timing Requirements, VCC = 5 V ± 0.5 V
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
SN54AHC273
SN74AHC273
TA = 25°C
TA = 25°C
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
CLR low
5
5
5
5
tw
Pulse Duration
ns
CLK high or low
5
5
5
5
Data before CLK
4.5
4.5
4.5
4.5
tsu
Setup time
ns
CLR before CLK
2
2
2
2
th
Hold time, data after CLK
1.5
2
1
1
ns
7.8 Switching Characteristics, VCC = 3.3 V ± 0.3 V
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
TA = 25°C
SN54AHC273
SN74AHC273
FROM
TO
LOAD
PARAMETER
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CL = 15 pF
75(1)
120(1)
65(1)
65
fmax
MHz
CL = 50 pF
50
75
45
45
tPHL
CLR
Q
CL = 15 pF
8.9(1) 13.6(1)
1(1)
16(1)
1
16
ns
tPLH
8.7(1) 13.6(1)
1(1)
16(1)
1
16
CKL
Q
CL = 15 pF
tPHL
8.7(1) 13.6(1)
1(1)
16(1)
1
16
ns
tPHL
CLR
Q
CL = 50 pF
11.4
17.1
1
19.5
1
19.5
tPLH
11.2
17.1
1
19.5
1
19.5
ns
CLK
Q
CL = 50 pF
tPHL
11.2
17.1
1
19.5
1
19.5
ns
tsk(o)
CL = 50 pF
1.5(2)
1.5
ns
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2)
On products compliant to MIL-PRF-38535, this parameter does not apply.
7.9 Switching Characteristics, VCC = 5 V ± 0.5 V
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
TA = 25°C
SN54AHC273
SN74AHC273
FROM
TO
LOAD
PARAMETER
UNIT
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CL = 15 pF
120(1)
165(1)
100(1)
100
fmax
MHz
CL = 50 pF
80
110
70
70
tPHL
CLR
Q
CL = 15 pF
5.2(1)
8.5(1)
1(1)
10(1)
1
10
ns
tPLH
5.8(1)
9(1)
1(1)
10.5(1)
1
10.5
CKL
Q
CL = 15 pF
tPHL
5.8(1)
9(1)
1(1)
10.5(1)
1
10.5
ns
tPHL
CLR
Q
CL = 50 pF
6.7
10.5
1
12
1
12
tPLH
7.3
11
1
12.5
1
12.5
ns
CLK
Q
CL = 50 pF
tPHL
7.3
11
1
12.5
1
12.5
ns
tsk(o)
CL = 50 pF
1(2)
1
ns
(1)
On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2)
On products compliant to MIL-PRF-38535, this parameter does not apply.
6
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