參數(shù)資料
型號(hào): 935275672118
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
英文描述: 8 I/O, PIA-GENERAL PURPOSE, PDSO20
封裝: 4.40 MM, PLASTIC, MO-152, SOT-266-1, SSOP-20
文件頁(yè)數(shù): 28/33頁(yè)
文件大小: 316K
代理商: 935275672118
2002 Nov 22
4
Philips Semiconductors
Product specication
Remote 8-bit I/O expander for I2C-bus
PCF8574
4
BLOCK DIAGRAM
Fig.1 Block diagram (pin numbers apply to DIP16 and SO16 packages).
handbook, full pagewidth
MBD980
I C BUS
CONTROL
2
INPUT
FILTER
1
2
3
14
15
13
INTERRUPT
LOGIC
12
P7
11
P6
10
P5
9
P4
7
P3
6
P2
5
P1
4
P0
8 BIT
I/O
PORT
SHIFT
REGISTER
LP FILTER
WRITE pulse
READ pulse
POWER-ON
RESET
16
8
VDD
VSS
SDA
SCL
A2
A1
A0
INT
PCF8574
相關(guān)PDF資料
PDF描述
933851660112 8 I/O, PIA-GENERAL PURPOSE, PDSO16
935275581518 8 I/O, PIA-GENERAL PURPOSE, PDSO16
935271753118 8 I/O, PIA-GENERAL PURPOSE, PDSO20
935275581112 8 I/O, PIA-GENERAL PURPOSE, PDSO16
0672.300 Circular Connector; Body Material:Aluminum; Series:PT06; No. of Contacts:55; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Circular Contact Gender:Socket; Insert Arrangement:22-55
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