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參數(shù)資料
| 型號： | PCA9673D,118 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 11/33頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24SOIC |
| 產品培訓模塊： | LED Controllers |
| 特色產品： | NXP - I2C Interface |
| 標準包裝： | 1 |
| 接口： | I²C |
| 輸入/輸出數(shù)： | 16 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 1MHz |
| 電源電壓： | 2.3 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 24-SO |
| 包裝： | 標準包裝 |
| 包括： | POR |
| 其它名稱： | 568-4199-6 |
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PCA9673
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 29 September 2011
19 of 33
NXP Semiconductors
PCA9673
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset
10.3 Differences between the PCA9673 and the PCF8575
The PCA9673 is a drop in replacement for the PCF8575 and can used without electrical
or software modifications, but there is a difference in interrupt output release timing during
the read operation.
Write operations are identical. At the completion of each 8-bit write sequence the data is
stored in its associated 8-bit write register at ACK or NACK. The first byte goes to P0n
while the second goes to P1n. Subsequent writes without a STOP wrap around to P0n
then P1n again. Any write will update both read registers and clear interrupts.
Read operations are identical. Both devices update the byte register with the pin data as
each 8-bit read is initiated, the very first read after an address cycle corresponds to ports
P0n while the second (even byte) corresponds to P1n and subsequent reads without a
STOP wrap around to P0n then P1n again.
During read operations, the PCA9673 interrupt output will be cleared in a byte-wise
fashion as each byte is read. Reading the first byte will clear any interrupts associated
with the P0n pins. This first byte read operation will have no effect on interrupts associated
with changes of state on the P1n pins. Interrupts associated with the P1n pins will be
cleared when the second byte is read. Reading the second byte has no effect on
interrupts associated with the changes of state on the P0x pins. The PCF8575 interrupt
output will clear after reading both bytes of data regardless of whether data was changed
in the first byte or the second byte or both bytes.
11. Limiting values
[1]
Total package (maximum) output current is 600 mA.
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
VDD
supply voltage
0.5
+6
V
IDD
supply current
-
100
mA
ISS
ground supply current
-
600
mA
VI
input voltage
VSS 0.5
5.5
V
II
input current
-
20
mA
IO
output current
-
50[1]
mA
Ptot
total power dissipation
-
600
mW
P/out
power dissipation per output
-
200
mW
Tstg
storage temperature
65
+150
C
Tamb
ambient temperature
operating
40
+85
C
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PCA9673DB | 功能描述:接口-I/O擴展器 16BIT I2C FM+ QBGPIO INT-RS PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9673DB,112 | 功能描述:接口-I/O擴展器 16BIT I2C FM+ QBGPIO RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9673DB,118 | 功能描述:接口-I/O擴展器 16BIT I2C FM+ QBGPIO RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9673DB-T | 功能描述:接口-I/O擴展器 16BIT I2C FM+ QBGPIO INT-RS PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
| PCA9673DK,118 | 功能描述:接口-I/O擴展器 16BIT I2C FM+ QBGPIO RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel |
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