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PDF PCA9561 Data sheet ( Hoja de datos )

Número de pieza PCA9561
Descripción Quad 6-bit multiplexed I2C EEPROM DIP switch
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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No Preview Available ! PCA9561 Hoja de datos, Descripción, Manual

INTEGRATED CIRCUITS
PCA9561
Quad 6-bit multiplexed
I2C EEPROM DIP switch
Product data
Supersedes data of 2002 May 24
Philips
Semiconductors
www.DataSheet.in
2003 Jun 27

1 page




PCA9561 pdf
Philips Semiconductors
Quad 6-bit multiplexed I2C EEPROM DIP switch
Product data
PCA9561
REGISTER DESCRIPTION
If the command byte is an EEPROM address, the next byte sent will be programmed into that EEPROM address on the following STOP
condition, if the WP is logic 0. If more than one byte is sent sequentially, the second byte will be written in the other-volatile register, on the
following STOP condition. Up to four bytes can be sent sequentially. If any more data bytes are sent after the second byte, they will not be
acknowledged and no bytes will be written to the non-volatile registers. After a byte is read from or written to the EEPROM, the part
automatically points to the next non-volatile register. If the command code was FFH, the MUX_IN values are sent with the three MSBs padded
with zeroes as shown below. If the command codes was 00H, then the non-volatile register 1 is sent, and if the command code was 01H, then
the non-volatile register 1 is sent.
EEPROM Byte 0 Register
D7 D6 D5 D4 D3 D2 D1 D0
Write X X EEPROM 0 EEPROM 0 EEPROM 0 EEPROM 0 EEPROM 0 EEPROM 0
Data F
Data E
Data D
Data C
Data B
Data A
Read 0 0 EEPROM 0 EEPROM 0 EEPROM 0 EEPROM 0 EEPROM 0 EEPROM 0
Data F
Data E
Data D
Data C
Data B
Data A
Default
0
0
0
0
0
0
0
0
EEPROM Byte 1 Register
D7
Write
X
Read
0
Default
0
D6
X
0
0
D5
EEPROM 1
Data F
EEPROM 1
Data F
0
D4
EEPROM 1
Data E
EEPROM 1
Data E
0
D3
EEPROM 1
Data D
EEPROM 1
Data D
0
D2
EEPROM 1
Data C
EEPROM 1
Data C
0
D1
EEPROM 1
Data B
EEPROM 1
Data B
0
D0
EEPROM 1
Data A
EEPROM 1
Data A
0
EEPROM Byte 2 Register
D7
Write
X
Read
0
Default
0
D6
X
0
0
D5
EEPROM 2
Data F
EEPROM 2
Data F
0
D4
EEPROM 2
Data E
EEPROM 2
Data E
0
D3
EEPROM 2
Data D
EEPROM 2
Data D
0
D2
EEPROM 2
Data C
EEPROM 2
Data C
0
D1
EEPROM 2
Data B
EEPROM 2
Data B
0
D0
EEPROM 2
Data A
EEPROM 2
Data A
0
EEPROM Byte 3 Register
D7
Write
X
Read
0
Default
0
D6
X
0
0
D5
EEPROM 3
Data F
EEPROM 3
Data F
0
D4
EEPROM 3
Data E
EEPROM 3
Data E
0
D3
EEPROM 3
Data D
EEPROM 3
Data D
0
D2
EEPROM 3
Data C
EEPROM 3
Data C
0
D1
EEPROM 3
Data B
EEPROM 3
Data B
0
D0
EEPROM 3
Data A
EEPROM 3
Data A
0
MUX_IN Register
Read
D7
0
D6 D5 D4 D3 D2 D1 D0
0
MUX_IN
MUX_IN
MUX_IN
MUX_IN
MUX_IN
MUX_IN
Data F
Data E
Data D
Data C
Data B
Data A
If the command byte is a MUX command byte, any additional data bytes sent after the MUX command code will not be acknowledged. If the
read/write bit in the address is a logic 1, then a read operation follows and the data sent out depends on the previously stored command code.
The MUX_SELECT_1 pin can function as the over-ride pin as on the PCA9559 if the non-volatile register 1 is left at all 0s.
The NON_MUXED_OUT pin is a latched output. It is latched when MUX_SELECT_0 = 1. It is transparent when the MUX_SELECT_0 = 0. The
data sent out on the NON_MUXED_OUT output is the 6th most significant bit of the non-volatile register. Whether this comes from the
non-volatile register 0 or non-volatile register 1 depends on the command code or the external mux-select pins.
After a valid I2C write operation to the EEPROM, the part cannot be addressed via the I2C for 3.6 ms. If the part is addressed prior to this time,
the part will not acknowledge its address.
NOTE:
1. To ensure data integrity, the non-volatile register must be internally write protected when VDD to the I2C-bus is powered down or VDD to the
component is dropped below normal operating levels.
2003 Jun 27
www.DataSheet.in
5

5 Page





PCA9561 arduino
Philips Semiconductors
Quad 6-bit multiplexed I2C EEPROM DIP switch
Product data
PCA9561
DC CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITION
Supply
VDD Supply voltage
IDDL
Supply current
IDDH
Supply current
VPOR
Power-on reset voltage
Input SCL; Input/Output SDA
Operating mode ALL inputs = 0 V
Operating mode ALL inputs = VDD
no load; VI = VDD or GND
VIL LOW-level input voltage
VIH HIGH-level input voltage
IOL LOW-level output current
IOL LOW-level output current
IIH Leakage current HIGH
IIL Leakage current LOW
CI Input capacitance
WP and MUX_SELECT
VOL = 0.4
VOL = 0.6
VI = VDD
VI = GND
IIH Leakage current HIGH
IIL Leakage current LOW
CI Input capacitance
Mux A F
VI = VDD
VI = GND
IIH Leakage current HIGH
IIL Leakage current LOW
CI Input capacitance
A0 and A1 Inputs
VI = VDD
VI = GND
IIH Leakage current HIGH
IIL Leakage current LOW
CI Input capacitance
MUX_OUT
VI = VDD
VI = GND
VOL LOW-level output voltage
VOL LOW-level output voltage
IOH HIGH-level output current
NOTES:
1. VHYS is the hysteresis of Schmitt-Trigger inputs
IOL = 100 µA
IOL = 4 mA
VOH = VDD
MIN.
LIMITS
TYP.
MAX.
UNIT
3
3.6
V
0.6 1 mA
— — 600 µA
2.3 2.7 V
-0.5 0.8
V
2
VDD + 0.5
V
3 — — mA
6 — — mA
-1 1 µA
-1 1 µA
3
6 pF
-1 1 µA
-20 -50 µA
2.5 5 pF
-1 1 mA
-20 -50 mA
2.5 5 pF
-1 1 µA
-20 -50 µA
2
4 pF
— — 0.4 V
— — 0.7 V
— — 100 µA
NON-VOLATILE STORAGE SPECIFICATIONS
PARAMETER
Memory cell data retention
SPECIFICATION
10 years min
Number of memory cell write cycles
100,000 cycles min
Application Note AN250 I2C DIP Switch provides additional information on memory cell data retention and the minimum number of write cycles.
2003 Jun 27
www.DataSheet.in
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