Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

CD54HC240 Datasheet(PDF) 6 Page - Texas Instruments

Click here to check the latest version.
Part No. CD54HC240
Description  High-Speed CMOS Logic Octal Buffer/Line Drivers, Three-State
Download  14 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

CD54HC240 Datasheet(HTML) 6 Page - Texas Instruments

Back Button CD54HC240 Datasheet HTML 2Page - Texas Instruments CD54HC240 Datasheet HTML 3Page - Texas Instruments CD54HC240 Datasheet HTML 4Page - Texas Instruments CD54HC240 Datasheet HTML 5Page - Texas Instruments CD54HC240 Datasheet HTML 6Page - Texas Instruments CD54HC240 Datasheet HTML 7Page - Texas Instruments CD54HC240 Datasheet HTML 8Page - Texas Instruments CD54HC240 Datasheet HTML 9Page - Texas Instruments CD54HC240 Datasheet HTML 10Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 14 page
background image
6
Output Enable and Disable
Times
tTLH, tTHL
CL = 50pF
4.5
-
-
30
-
-
38
-
-
45
ns
Output Transition Time
tTHL, tTLH
CL = 50pF
4.5
-
-
12
-
-
15
-
-
18
ns
Input Capacitance
CI
CL = 50pF
-
10
-
10
-
-
10
-
-
10
pF
Power Dissipation Capacitance
(Notes 3, 4)
CPD
HCT240
-
5
-
40
-
-
-
----
pF
HCT241
-
5
-
38
-
-
-
----
pF
HCT244
-
5
-
40
-
-
-
----
pF
NOTES:
3. CPD is used to determine the dynamic power consumption, per channel.
4. PD = VCC
2 f
i (CPD + CL) where fi = Input Frequency, fO = Output Frequency, CL = Output Load Capacitance, VCC = Supply Voltage.
Test Circuits and Waveforms
FIGURE 1. HC TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 2. HCT TRANSITION TIMES AND PROPAGATION
DELAY TIMES, COMBINATION LOGIC
FIGURE 3. HC THREE-STATE PROPAGATION DELAY
WAVEFORM
FIGURE 4. HCT THREE-STATE PROPAGATION DELAY
WAVEFORM
Switching Specifications CL = 50pF, Input tr, tf = 6ns (Continued)
PARAMETER
SYMBOL
TEST
CONDI-
TIONS
VCC
(V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
tPHL
tPLH
tTHL
tTLH
90%
50%
10%
50%
10%
INVERTING
OUTPUT
INPUT
GND
VCC
tr = 6ns
tf = 6ns
90%
tPHL
tPLH
tTHL
tTLH
2.7V
1.3V
0.3V
1.3V
10%
INVERTING
OUTPUT
INPUT
GND
3V
tr = 6ns
tf = 6ns
90%
50%
10%
90%
GND
VCC
10%
90%
50%
50%
OUTPUT
DISABLE
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
OUTPUTS
ENABLED
OUTPUTS
DISABLED
OUTPUTS
ENABLED
6ns
6ns
tPZH
tPHZ
tPZL
tPLZ
0.3
2.7
GND
3V
10%
90%
1.3V
1.3V
OUTPUT
DISABLE
OUTPUT LOW
TO OFF
OUTPUT HIGH
TO OFF
OUTPUTS
ENABLED
OUTPUTS
DISABLED
OUTPUTS
ENABLED
tr
6ns
tPZH
tPHZ
tPZL
tPLZ
6ns
tf
1.3
CD54/74HC240, CD54/74HCT240, CD74HC241, CD54/74HCT241, CD54/74HC244, CD54/74HCT244


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14 


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn