PI74AVC164245LAKE 查看數據表（PDF） - Pericom Semiconductor
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PI74AVC164245LAKE
Pericom Semiconductor
PI74AVC164245LAKE Datasheet PDF : 10 Pages
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PI74AVC164245LA
16-Bit 1.5-2.5V to 3.3V Level Shifting
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Parameter Measurement Information, VCCA = 2.5V ± 0.2V
From Output VIN
Under Test
CL = 30pF
500Ω
500Ω
2 × VCC
Open
GND
Test
tPD
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2 × VCC
GND
Load Circuit
Input
1.5V
tPLH
Output
1.25V
1.5V
3.0V
tPHL
0V
VOH
1.25V
VOL
Voltage Waveforms
Propagation Delay Times
Output
Control
(low-level
enabling)
Output tPZL
Waveform 1
S1 at 6V
tPZH
Output
Waveform 2
S1 at GND
1.5V
1.25V
tPHZ
1.25V
3.0V
1.5V
0V
tPLZ
2.5V
VOL+0.2V
VOL
VOH
VOH –0.2V
0V
Voltage Waveforms
Enable and Disable Times
Figure 2. Load Circuit and Voltage Waveforms
Notes:
• CL includes probe and jig capacitance.
• Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
• All input pulses are supplied by generators having the following characteristics: PRR ≤10Mz, ZO = 50Ω, tR ≤2.5ns, tF ≤2.5ns.
• The outputs are measured one at a time with one transition per measurement.
• tPLZ and tPHZ are the same as tDIS.
• tPZL and tPZH are the same as tEN.
• tPLH and tPHL are the same as tPD.
06-0016
7
PS8600B
02/09/06
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