參數(shù)資料
型號: PCA9698
廠商: NXP Semiconductors N.V.
英文描述: 40-bit Fm+ I2C-bus advanced I/O port with RESET, OE and INT
中文描述: 40位調(diào)頻I2C總線先進(jìn)的I / O復(fù)位,光電和INT端口
文件頁數(shù): 39/47頁
文件大?。?/td> 214K
代理商: PCA9698
PCA9698_2
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 19 July 2006
39 of 47
Philips Semiconductors
PCA9698
40-bit Fm+ I
2
C-bus advanced I/O port with RESET, OE and INT
13. Test information
Fig 39. Reset timing
SDA
SCL
002aac018
t
rst
50 %
30 %
50 %
50 %
50 %
t
rec(rst)
t
w(rst)
RESET
IOx_y
output off
START
t
rst
ACK or read cycle
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 40. Test circuitry for switching times
PULSE
GENERATOR
V
O
CL
50 pF
RL
500
002aac019
RT
V
I
V
DD
DUT
2V
open
V
SS
500
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