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參數(shù)資料
| 型號： | 935270331118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | 3 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO20 |
| 封裝： | 7.50 MM, PLASTIC, MS-013, SOT-163-1, SO-20 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 110K |
| 代理商： | 935270331118 |
Philips Semiconductors
Product data
PCA9560
Dual 5-bit multiplexed 1-bit latched I2C EEPROM
2
2002 May 24
853-2286 28310
FEATURES
5-bit 3-to-1 multiplexer, 1-bit latch
5-bit external hardware pins
Two 6-bit internal non-volatile registers, fully pin-to-pin compatible
with PCA9559
Selection between the two non-volatile registers
Selection between non-volatile registers and external hardware
pins
I2C/SMBus interface logic
Internal pull-up resistors on input pin and control signals
Active high write protect on input controls the ability to write to the
non-volatile registers
2 address pins, allowing up to 4 devices on the I2C-bus
5 open drain multiplexed outputs
Open drain non-multiplexed output
Internal 6-bit non-volatile registers programmable and readable via
I2C-bus
External hardware 5-bit value readable via I2C-bus
Multiplexer selection can be overridden by I2C-bus
Operating power supply voltage 3.0 V to 3.6 V
5 V and 2.5 V tolerant inputs
0 to 400 kHz clock frequency
ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V
MM per JESD22-A115, and 1000 V CDM per JESD22-C101
Latch-up testing is done to JESDEC Standard JESD78 which
exceeds 100 mA.
Package offering: SO 20, TSSOP 20
DESCRIPTION
The PCA9560 is a 20-pin CMOS device consisting of two 6-bit
non-volatile EEPROM registers, 5 hardware pin inputs and a 5-bit
multiplexed output with one latched EEPROM bit. It is used for DIP
switch-free or jumper-less system configuration and supports Mobile
and Desktop VID Configuration, where 3 preset values (2 sets of
internal non-volatile registers and 1 set of external hardware pins)
set processor voltage for operation in either performance, deep
sleep or deeper sleep modes. The PCA9560 is also useful in server
and telecom/networking applications when used to replace DIP
switches or jumpers, since the settings can be easily changed via
I2C/SMBus without having to power down the equipment to open the
cabinet. The non-volatile memory retains the most current setting
selected before the power is turned off.
The PCA9560 typically resides between the CPU and Voltage
Regulator Module (VRM) when used for CPU VID (Voltage
IDentification code) configuration. It is used to bypass the
CPU-defined VID values and provide a different set of VID values to
the VRM, if an increase in the CPU voltage is desired. An increase
in CPU voltage combined with an increase in CPU frequency leads
to a performance boost of up to 7.5%. Lower CPU voltage reduces
power consumption. The main advantage of the PCA9560 over the
older PCA9559 device in this application is that it contains two
internal non-volatile EEPROM registers instead of just one, allowing
three independent settings (performance operation, deep sleep
mode and deeper sleep mode) instead of only two (performance
operation and deep sleep mode). The PCA9560 is footprint
compatible and a drop-in replacement for the PCA9559, without any
software modifications required.
The PCA9560 has 2 address pins allow up to 4 devices to be placed
on the same I2C bus or SMBus.
PIN CONFIGURATION
SCL
SDA
MUX_IN B
VDD
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
MUX_IN C
MUX_IN D
MUX_IN E
MUX_OUT B
MUX_OUT C
MUX_OUT D
MUX_OUT E
SW00829
GND
9
10
A1
A0
12
11
NON-MUXED_OUT
MUX_OUT A
MUX_IN A
WP
MUX_SELECT_1
MUX_SELECT_0
PIN DESCRIPTION
PIN
SYMBOL
FUNCTION
1
SCL
Serial I2C-bus clock
2
SDA
Serial bi-directional I2C-bus data
3
A1
Programmable LSBs of I2C
4
A0
g
address
5–9
MUX_IN A–E
External inputs to multiplexer
10
GND
Ground
11
MUX_
SELECT_0
Selects MUX_IN inputs or register
contents for MUX_OUT outputs
12–16
MUX_OUT E–A
Open drain multiplexed outputs
17
NON-MUXED_
OUTPUT
Open drain output from
non-volatile memory
18
MUX_
SELECT_1
Selects between the two
non-volatile registers
19
WP
Active high non-volatile register
write-protect input
20
VDD
Power supply: +3.0 to +3.6 V
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
ORDER CODE
DRAWING NUMBER
20-Pin Plastic SO
0 to +70
°C
PCA9560D
SOT163-1
20-Pin Plastic TSSOP
0 to +70
°C
PCA9560PW
SOT360-1
Standard packing quantities and other packaging data is available at www.philipslogic.com/packaging.
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