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零件编号
产品描述 (功能)
PCA9538 查看數據表(PDF) - NXP Semiconductors.
零件编号
产品描述 (功能)
生产厂家
PCA9538
8-bit I2C-bus and SMBus low power I/O port with interrupt and reset
NXP Semiconductors.
PCA9538 Datasheet PDF : 28 Pages
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NXP Semiconductors
11. Test information
PCA9538
8-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
PULSE
GENERATOR
V
DD
V
I
V
O
DUT
RT
RL
500
Ω
V
DD
open
V
SS
CL
50 pF
002aab880
R
L
= load resistor.
C
L
= load capacitance includes jig and probe capacitance.
R
T
= termination resistance should be equal to the output impedance Z
o
of the pulse generators.
Fig 19. Test circuitry for switching times
from output under test
CL
50 pF
Fig 20. Test circuit
RL
S1
500
Ω
RL
500
Ω
2V
DD
open
GND
002aac226
Table 11. Test data
Test
t
v(Q)
Load
R
L
500
Ω
C
L
50 pF
Switch
2
×
V
DD
PCA9538_5
Product data sheet
Rev. 05 — 28 May 2009
© NXP B.V. 2009. All rights reserved.
18 of 28
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