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SN54ABT273 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN54ABT273
Description  OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ABT273 Datasheet(HTML) 4 Page - Texas Instruments

 
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SN54ABT273, SN74ABT273
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR
SCBS185B – FEBRUARY 1991 – REVISED JANUARY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
VCC = 5 V,
TA = 25°C
SN54ABT273
SN74ABT273
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
fclock
Clock frequency
0
150
0
150
0
150
MHz
t
Pulse duration
CLK high or low
3.3
3.3
3.3
ns
tw
Pulse duration
CLR low
3.3
3.3
3.3
ns
Data high
2
2
2
tsu
Setup time before CLK
Data low
2.5
2.5
2.5
ns
CLR high
2
2
2
th
Hold time after CLK
Data high or low
1.2†
1.4†
1.2†
ns
† This data sheet limit may vary among suppliers.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT273
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
fmax
150
150
MHz
tPLH
CLK
Q
2.5
6
2.5
7
ns
tPHL
CLK
Q
3.3
6.8
3.3
7.5
ns
tPHL
CLR
Q
2.5
7.5†
2.5
8.2
ns
† This data sheet limit may vary among suppliers.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN74ABT273
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
fmax
150
150
MHz
tPLH
CLK
Q
2.5
6
2.5
6.5
ns
tPHL
CLK
Q
3.3
6.8
3.3
7.3
ns
tPHL
CLR
Q
2.5
6.7†
2.5
7.4†
ns
† This data sheet limit may vary among suppliers.


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