PCA9502BS,128 NXP Semiconductors, PCA9502BS,128 Datasheet - Page 13
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PCA9502BS,128
Manufacturer Part Number
PCA9502BS,128
Description
IC I/O EXPANDER I2C/SPI 24HVQFN
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9502BS157.pdf
(25 pages)
Specifications of PCA9502BS,128
Package / Case
24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
Interface
I²C, SPI
Number Of I /o
8
Interrupt Output
No
Frequency - Clock
400kHz
Voltage - Supply
2.3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Logic Family
PCA9502
Number Of Lines (input / Output)
8.0 / 8.0
Operating Supply Voltage
2.5 V to 3.3 V
Power Dissipation
300 mW
Operating Temperature Range
- 40 C to + 85 C
Input Voltage
5.5 V
Logic Type
I/O Expander
Maximum Clock Frequency
400 KHz
Mounting Style
SMD/SMT
Number Of Input Lines
8.0
Number Of Output Lines
8.0
Output Current
10 mA
Output Voltage
5.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935281363128
PCA9502BS-F
PCA9502BS-F
PCA9502BS-F
PCA9502BS-F
NXP Semiconductors
10. SPI operation
11. Limiting values
PCA9502_3
Product data sheet
Table 13.
Table 14.
In accordance with the Absolute Maximum Rating System (IEC 60134).
[1]
Bit
7
6:3
2:1
0
Symbol
V
V
I
I
P
P/out
T
T
I
O
Fig 12. SPI operation
SCLK
SCLK
amb
stg
DD
I
tot
SO
5.5 V steady state voltage tolerance on inputs and outputs is valid only when the supply voltage is present.
4.6 V steady state voltage tolerance on inputs and outputs when no supply voltage is present.
SI
SI
a. Register write
b. Register read
R/W = 0; A[3:0] = register address
R/W = 1; A[3:0] = register address
Register address byte (SPI)
Limiting values
R/W
R/W
Parameter
supply voltage
input voltage
input current
output current
total power dissipation
power dissipation per output
ambient temperature
storage temperature
Name
R/W
A[3:0]
-
-
A3
A3
A2
A2
Rev. 03 — 13 October 2006
A1
A1
A0
A0
Function
1: read from PCA9502
0: write to PCA9502
internal register select
not used, set to 0
not used
0
0
0
0
8-bit I/O expander with I
X
X
Conditions
any input
any input
any output
D7
D7
D6
D6
D5
D5
D4
D4
Min
-
-
0.3
0.3
10
10
40
65
D3
D3
D2
D2
2
C-bus/SPI interface
Max
+4.6
+5.5
+10
+10
300
50
+85
+150
PCA9502
© NXP B.V. 2006. All rights reserved.
D1
D1
[1]
D0
D0
002aab925
002aab926
Unit
V
V
mA
mA
mW
mW
C
C
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