參數(shù)資料
型號: PCA9665
廠商: NXP Semiconductors N.V.
英文描述: Fm+ parallel bus to I2C-bus controller
中文描述: 調(diào)頻并行總線I2C總線控制器
文件頁數(shù): 78/91頁
文件大?。?/td> 372K
代理商: PCA9665
PCA9665_2
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 7 December 2006
78 of 91
NXP Semiconductors
PCA9665
Fm+ parallel bus to I
2
C-bus controller
14. Test information
Test data are given in
Table 52
.
R
L
= load resistance.
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 43. Test circuitry for switching times
Table 52.
Test
Test data
Load
C
L
50 pF
50 pF
S1
R
L
500
500
t
d(DV)
t
d(QZ)
V
DD
×
2
open
Test data are given in
Table 53
.
R
L
= load resistance. R
L
for SDA and SCL > 1 k
(3 mA or less current).
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 44. Test circuitry for open-drain switching times
Table 53.
Test
Test data
Load
C
L
50 pF
50 pF
50 pF
50 pF
S1
R
L
1 k
1 k
1 k
1 k
t
d(DV)
t
d(QZ)
t
as(int)
t
das(int)
V
DD
V
DD
V
DD
V
DD
PULSE
GENERATOR
V
O
CL
RL
500
002aac694
RT
V
I
V
DD
DUT
RL
500
V
×
2
open
V
SS
PULSE
GENERATOR
V
O
CL
RL
1 k
002aac695
RT
V
I
V
DD
DUT
V
open
V
SS
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