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74LVTH244A View Datasheet(PDF) - NXP Semiconductors.

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74LVTH244A
NXP
NXP Semiconductors. NXP
74LVTH244A Datasheet PDF : 15 Pages
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NXP Semiconductors
74LVT244A; 74LVTH244A
3.3 V octal buffer/line driver; 3-state
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 7.
Symbol Parameter
Conditions
Min
Typ
Max Unit
tPLZ
LOW to OFF-state see Figure 6
propagation delay
VCC = 2.7 V
VCC = 3.0 V to 3.6 V
-
-
5.6 ns
1.8
3.3
5.1 ns
[1] All typical values are at VCC = 3.3 V and Tamb = 25 °C.
11. Waveforms
VI
nAn input
GND
VOH
tPLH
nYn output
VOL
VM
VM
VM
tPHL
VM
mna171
Fig 5.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Propagation delay input (nAn) to output (nYn) propagation delays
VI
nOE input
GND
3.0 V
nYn output
VOL
VOH
nYn output
0V
VM
tPZL
VM
t PZH
VM
tPLZ
VX
t PHZ
VY
001aae464
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
3-state output enable and disable times
Table 8.
Input
VM
1.5 V
Measurement points
Output
VM
1.5 V
VX
VOL + 0.3 V
VY
VOH 0.3 V
74LVT_LVTH244A_4
Product data sheet
Rev. 04 — 3 September 2008
© NXP B.V. 2008. All rights reserved.
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