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SN74LV273APWRE4 Datasheet(PDF) 5 Page - Texas Instruments

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Part # SN74LV273APWRE4
Description  OCTAL D-TYPE FLIP-FLOPS WITH CLEAR
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74LV273APWRE4 Datasheet(HTML) 5 Page - Texas Instruments

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SN54LV273A, SN74LV273A
OCTAL DTYPE FLIPFLOPS
WITH CLEAR
SCLS399J − APRIL 1998 − REVISED APRIL 2005
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V
(unless otherwise noted) (see Figure 1)
TA = 25°C
SN54LV273A
SN74LV273A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLR low
6.5
7
7
ns
tw
Pulse duration
CLK high or low
7
8.5
8.5
ns
tsu
Setup time, data before CLK
Data
8.5
10.5
10.5
ns
tsu
Setup time, data before CLK
CLR inactive
4
4
4
ns
th
Hold time, data after CLK
0.5
1
1
ns
timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
TA = 25°C
SN54LV273A
SN74LV273A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLR low
5
6
6
ns
tw
Pulse duration
CLK high or low
5
6.5
6.5
ns
tsu
Setup time, data before CLK
Data
5.5
6.5
6.5
ns
tsu
Setup time, data before CLK
CLR inactive
2.5
2.5
2.5
ns
th
Hold time, data after CLK
1
1
1
ns
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
TA = 25°C
SN54LV273A
SN74LV273A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLR low
5
5
5
ns
tw
Pulse duration
CLK high or low
5
5
5
ns
tsu
Setup time, data before CLK
Data
4.5
4.5
4.5
ns
tsu
Setup time, data before CLK
CLR inactive
2
2
2
ns
th
Hold time, data after CLK
1
1
1
ns
switching
characteristics
over
recommended
operating
free-air
temperature
range,
VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV273A
SN74LV273A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
CL = 15 pF
55*
95*
45*
45
MHz
fmax
CL = 50 pF
45
75
40
40
MHz
tpd
CLK
Q
CL = 15 pF
10.4*
18.3*
1*
20.5*
1
20.5
ns
tPHL
CLR
Q
CL = 15 pF
10.3*
19*
1*
21*
1
21
ns
tpd
CLK
Q
12.9
22.1
1
25
1
25
tPHL
CLR
Q
CL = 50 pF
13.1
22.8
1
25.5
1
25.5
ns
tsk(o)
CL = 50 pF
2
2
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.


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