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SN54LV4040A Datasheet(PDF) 5 Page - Texas Instruments

Part No. SN54LV4040A
Description  12-BIT ASYNCHRONOUS BINARY COUNTERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54LV4040A Datasheet(HTML) 5 Page - Texas Instruments

 
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SN54LV4040A, SN74LV4040A
12BIT ASYNCHRONOUS BINARY COUNTERS
SCES226I − APRIL 1999 − REVISED MAY 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
SN54LV4040A
SN74LV4040A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLK high or low
7
7
7
ns
tw
Pulse duration
CLR high
6.5
6.5
6.5
ns
tsu
Setup time
CLR inactive before CLK
6.5
6.5
6.5
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
SN54LV4040A
SN74LV4040A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLK high or low
5
5
5
ns
tw
Pulse duration
CLR high
5
5
5
ns
tsu
Setup time
CLR inactive before CLK
5
5
5
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
SN54LV4040A
SN74LV4040A
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
tw
Pulse duration
CLK high or low
5
5
5
ns
tw
Pulse duration
CLR high
5
5
5
ns
tsu
Setup time
CLR inactive before CLK
5
5
5
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
SN54LV4040A
SN74LV4040A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
CL = 15 pF
50*
115*
40*
40
MHz
fmax
CL = 50 pF
40
95
35
35
MHz
tPLH
CLK
QA
CL = 15 pF
8.7*
19.4*
1*
23*
1
23
ns
tPHL
CLK
QA
CL = 15 pF
8.7*
19.4*
1*
23*
1
23
ns
tPHL
CLR
Any Q
CL = 15 pF
9.3*
19.9*
1*
24*
1
24
ns
tPLH
CLK
QA
CL = 50 pF
10.5
24.1
1
28
1
28
ns
tPHL
CLK
QA
CL = 50 pF
10.5
24.1
1
28
1
28
ns
tPHL
CLR
Any Q
CL = 50 pF
11.7
24.5
1
28
1
28
ns
∆tpd
Qn
Qn+1
CL = 50 pF
1.7
5.9
7
7
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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