pca9646 NXP Semiconductors, pca9646 Datasheet - Page 8

• Manufacturer Part Number: pca9646
• Description: Pca9646 Buffered 4-channel 2-wire Bus Switch
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 4.
T
[1]
[2]
PCA9646
Product data sheet
Symbol
RESET
V
V
V
I
t
t
t
Address pins (A0, A1, A2)
V
V
I
Timing characteristics
t
t
LI
w(rst)L
rst
POR
LI
d
f
amb
IH
IL
hys
IH
IL
Supply voltage dependent; refer to graphs
Guaranteed by design, not subject to test.
=

40

Characteristics
C to +85
Parameter
HIGH-level input voltage
LOW-level input voltage
hysteresis voltage
input leakage current
LOW-level reset time
reset time
power-on reset pulse time
HIGH-level input voltage
LOW-level input voltage
input leakage current
delay time
fall time

C; voltages are specified with respect to ground (V
(Figure
Fig 8.
…continued
8)
Timing diagram
(Figure 9
All information provided in this document is subject to legal disclaimers.
Conditions
V
V
V
V
V
V
pin at V
V
RESET pin; from V
RESET pin; from V
V
V
V
V
pin at V
R
R
R
DD
DD
DD
DD
DD
DD
I
DD
DD
DD
DD
PU
PU
PU
< V
= 2.7 V
= 5.5 V
= 2.7 V
= 5.5 V
= 2.7 V
= 5.5 V
= 2.7 V
= 5.5 V
= 2.7 V
= 5.5 V
= 200 ; V
= 200 ; V
= 200 
V
IL
through
I2C-bus
Rev. 1 — 1 March 2011
DD
DD
or V
or V
Figure
SS
SS
DD
DD
= 2.7 V
= 5.5 V
I
I
V
> V
> V
12) for typical trend.
IL
t
d
IH
IH
SS
t
70 % V
f
); V
30 % V
DD
DD
Buffered 4-channel 2-wire bus switch
DD
= 5.5 V unless otherwise specified.
[2]
002aaf438
-
time
Min
2.0
4.8
-
-
100
200
1
-
-
-
1.7
3.5
-
-
1
-
-
SDx, SCx input
SDx, SCx output
Typ
-
-
-
-
-
-
-
25
250
250
-
-
-
-
-
100
70
16
PCA9646
© NXP B.V. 2011. All rights reserved.
Max
-
-
650
900
-
-
+1
-
500
500
-
-
0.7
1.5
+1
-
-
-
8 of 22
Unit
V
V
mV
mV
mV
mV
A
ns
ns
ns
V
V
V
V
A
ns
ns
ns