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)： 37/47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
37 of 47
Philips Semiconductors
PCA9698
40-bit Fm+ I
2
C-bus advanced I/O port with RESET, OE and INT
12. Dynamic characteristics
[1]
t
VD;ACK
= time for Acknowledgement signal from SCL LOW to SDA (out) LOW.
Table 15.
Symbol Parameter
Dynamic characteristics
Conditions
Standard-mode
I
2
C-bus
Min
0
4.7
Fast-mode I
2
C-bus
Fast-modePlus
I
2
C-bus
Min
0
0.5
Unit
Max
100
-
Min
0
1.3
Max
400
-
Max
1000
-
f
SCL
t
BUF
SCL clock frequency
bus free time between a
STOP and START
condition
hold time (repeated)
START condition
set-up time for a repeated
START condition
set-up time for STOP
condition
data hold time
data valid acknowledge
time
data valid time
data set-up time
LOW period of the SCL
clock
HIGH period of the SCL
clock
fall time of both SDA and
SCL signals
rise time of both SDA and
SCL signals
pulse width of spikes that
must be suppressed by the
input filter
Port timing
t
en
enable time
t
dis
disable time
t
v(Q)
data output valid time
t
su(D)
data input setup time
t
h(D)
data input hold time
Interrupt timing
t
v(INT_N)
valid time on pin INT
t
rst(INT_N)
reset time on pin INT
Reset
t
w(rst)
reset pulse width
t
rec(rst)
reset recovery time
t
rst
reset time
[3]
kHz
μ
s
t
HD;STA
4.0
-
0.6
-
0.26
-
μ
s
t
SU;STA
4.7
-
0.6
-
0.26
-
μ
s
t
SU;STO
4.0
-
0.6
-
0.26
-
μ
s
t
HD;DAT
t
VD;ACK
0
-
0
-
0
-
ns
μ
s
[1]
0.1
3.45
0.1
0.9
0.05
0.45
t
VD;DAT
t
SU;DAT
t
LOW
[2]
300
250
4.7
-
-
-
75
100
1.3
-
-
-
75
50
0.5
450
-
-
ns
ns
μ
s
t
HIGH
4.0
-
0.6
-
0.26
-
μ
s
t
f
[4][6]
-
300
20 + 0.1C
b
[5]
300
-
120
ns
t
r
[4][6]
-
1000
20 + 0.1C
b
[5]
300
-
120
ns
t
SP
[7]
-
50
-
50
-
50
ns
output
output
-
-
-
80
40
250
-
-
-
-
-
80
40
250
-
-
-
-
-
80
40
250
-
-
ns
ns
ns
ns
ns
100
250
100
250
100
250
-
-
4
4
-
-
4
4
-
-
4
4
μ
s
μ
s
4
0
-
-
-
4
0
-
-
-
4
0
-
-
-
ns
ns
ns
100
100
100
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