74HCT240N Ver la hoja de datos (PDF) - NXP Semiconductors.
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74HCT240N Datasheet PDF : 18 Pages
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NXP Semiconductors
74HC240; 74HCT240
Octal buffer/line driver; 3-state; inverting
VI
nOE input
GND
VCC
nYn output
LOW- to - OFF
OFF- to - LOW
VOL
VOH
nYn output
HIGH- to - OFF
OFF- to - HIGH
GND
VM
t PLZ
t PZL
t PHZ
VX
VY
outputs
enabled
VM
t PZH
VM
outputs
disabled
outputs
enabled
001aae014
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
Table 8. Measurement points
Type
Input
74HC240
74HCT240
VM
0.5 × VCC
1.3 V
Output
VM
0.5 × VCC
1.3 V
VX
0.1 × VCC
0.1 × VCC
VY
0.9 × VCC
0.9 × VCC
74HC_HCT240_3
Product data sheet
Rev. 03 — 2 August 2007
© NXP B.V. 2007. All rights reserved.
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