74ALVCH16825 查看數據表（PDF） - Philips Electronics
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74ALVCH16825 Datasheet PDF : 10 Pages
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Philips Semiconductors
18-bit buffer/driver (3-State)
TEST CIRCUIT
VCC
PULSE
GENERATOR
VI
RT
VO
D.U.T.
CL
S1
2 * VCC
Open
GND
RL = 500 Ω
RL = 500 Ω
Test Circuit for switching times
DEFINITIONS
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to ZOUT of pulse generators.
SWITCH POSITION
TEST
S1
VCC
VI
tPLH/tPHL
Open
< 2.7V
VCC
tPLZ/tPZL
tPHZ/tPZH
2 < VCC
GND
2.7–3.6V
2.7V
SV00906
Waveform 3. Load circuitry for switching times
Product specification
74ALVCH16825
1998 Jul 27
7
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