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PCA9536DP 数据表(PDF) 13 Page - NXP Semiconductors

部件名 PCA9536DP
功能描述  4-bit I2C-bus and SMBus I/O port
PDF  22 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

PCA9536DP 数据表(HTML) 13 Page - NXP Semiconductors

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PCA9536_5
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 05 — 25 January 2010
13 of 22
NXP Semiconductors
PCA9536
4-bit I2C-bus and SMBus I/O port
11. Test information
Rise and fall times refer to VIL and VIH
Fig 13. I2C-bus timing diagram
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tf
tBUF
tSU;STA
tLOW
tHIGH
tVD;ACK
002aab175
tSU;STO
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
bit 0
(R/W)
acknowledge
(A)
STOP
condition
(P)
1/fSCL
tr
tVD;DAT
RL = load resistor.
CL = load capacitance includes jig and probe capacitance.
RT = termination resistance should be equal to the output impedance Zo of the pulse generators.
Fig 14. Test circuitry for switching times
Fig 15. Test circuit
Table 11.
Test data
Test
Load
Switch
CL
RL
tv(Q)
50 pF
500
Ω
2VDD
PULSE
GENERATOR
VO
CL
50 pF
RL
500
Ω
002aab880
RT
VI
VDD
DUT
VDD
open
VSS
CL
50 pF
500
Ω
002aab881
2VDD
open
VSS
S1
from output
under test
500
Ω



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