參數(shù)資料
型號: PCA9519
廠商: NXP Semiconductors N.V.
英文描述: 4-channel level translating I2C-bus/SMBus repeater
中文描述: 4通道級翻譯I2C-bus/SMBus中繼器
文件頁數(shù): 10/17頁
文件大小: 99K
代理商: PCA9519
PCA9519_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Objective data sheet
Rev. 01 — 22 June 2006
10 of 17
Philips Semiconductors
PCA9519
4-channel level translating I
2
C-bus/SMBus repeater
10.1 AC waveforms
11. Test information
Fig 7.
Propagation delay and transition times;
port B to port A
Fig 8.
Propagation delay and transition times;
port A to port B
Fig 9.
Propagation delay from port A’s external driver switching off to the port B LOW-to-HIGH transition;
port A to port B
002aab646
V
CC(B)
V
CC(A)
t
PLH
t
THL
0.5V
CC(B)
0.5V
CC(B)
input
output
30 %
0.5V
CC(A)
0.5V
CC(A)
30 %
70 %
70 %
t
PHL
t
TLH
V
OL
0.1 V
002aab647
V
CC(A)
V
CC(B)
t
PLH
t
THL
0.5V
CC(A)
0.5V
CC(A)
input
output
30 %
0.5V
CC(B)
0.5V
CC(B)
30 %
70 %
70 %
t
PHL
t
TLH
t
PLH2
input
port A
output
port B
002aab648
50 % of initial value
0.5V
CC(B)
R
L
= load resistor; 1.35 k
on port B
C
L
= load capacitance includes jig and probe capacitance; 50 pF
R
T
= termination resistance should be equal to Z
o
of pulse generators
Fig 10. Test circuit for open-drain outputs
PULSE
GENERATOR
V
O
CL
RL
002aab649
RT
V
I
V
CC(B)
V
CC(B)
DUT
V
CC(A)
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