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74HCT240 датащи(PDF) 9 Page - NXP Semiconductors

номер детали 74HCT240
подробное описание детали  Octal buffer/line driver; 3-state; inverting
PDF  18 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HCT240 датащи(HTML) 9 Page - NXP Semiconductors

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74HC_HCT240_3
© NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 03 — 2 August 2007
9 of 18
NXP Semiconductors
74HC240; 74HCT240
Octal buffer/line driver; 3-state; inverting
Measurement points are given in Table 8.
VOL and VOH are typical voltage output drop that occur with the output load.
Fig 7.
3-state enable and disable times
001aae014
tPLZ
tPHZ
outputs
disabled
outputs
enabled
VY
VX
outputs
enabled
nYn output
LOW-to-OFF
OFF-to-LOW
nYn output
HIGH-to-OFF
OFF-to-HIGH
nOE input
VI
VOL
VOH
VCC
VM
GND
GND
tPZL
tPZH
VM
VM
Table 8.
Measurement points
Type
Input
Output
VM
VM
VX
VY
74HC240
0.5
× VCC
0.5
× VCC
0.1
× VCC
0.9
× VCC
74HCT240
1.3 V
1.3 V
0.1
× VCC
0.9
× VCC



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