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參數資料
| 型號： | PCF8570 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 256 x 8-bit static low-voltage RAM with I2C-bus interface |
| 中文描述： | 256 × 8位靜態低電壓內存具有I2C總線接口 |
| 文件頁數： | 4/20頁 |
| 文件大小： | 140K |
| 代理商： | PCF8570 |
1999 Jan 06
4
Philips Semiconductors
Product specification
256
×
8-bit static low-voltage RAM with
I
2
C-bus interface
PCF8570
6
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
MLB928
WORD
ADDRESS
REGISTER
SHIFT
REGISTER
POWER
ON
RESET
INPUT
FILTER
ROW
SELECT
MEMORY
CELL
ARRAY
COLUMN
SELECT
MULTIPLEXER
R/W
CONTROL
I C BUS
CONTROL
6
5
SCL
SDA
3
A2
2
A1
1
A0
8
VDD
4
VSS
TEST
7
PCF8570
7
8
7
PINNING
SYMBOL
PIN
DESCRIPTION
A0
A1
A2
V
SS
SDA
SCL
TEST
1
2
3
4
5
6
7
hardware address input 0
hardware address input 1
hardware address input 2
negative supply
serial data input/output
serial clock input
Input for power-saving mode (see section
“Power-saving mode”). Also used as a test output
during manufacture. TEST should be tied to V
SS
during normal operation.
positive supply
V
DD
8
Fig.2 Pin configuration.
page
1
2
3
4
8
7
6
5
MLB929
PCF8570
SCL
SDA
A2
A1
A0
VDD
VSS
TEST
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| PCF8575 | Remote 16-bit I/O expander for I2C-bus |
| PCF8576 | Universal LCD driver for low multiplex rates |
| PCF8576C | Universal LCD driver for low multiplex rates |
| PCF8576CH | Universal LCD driver for low multiplex rates |
| PCF8576U | Universal LCD driver for low multiplex rates |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PCF8570P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:256 x 8-bit static low-voltage RAM with I2C-bus interface |
| PCF8570P/F5 | 制造商:NXP Semiconductors 功能描述:3400ns Bulk 制造商:NXP Semiconductors 功能描述:IC SRAM CMOS 2K 8570 DIP8 |
| PCF8570P/F5,112 | 功能描述:靜態隨機存取存儲器 RAM 256X8 W/I2C LOW PWR -40+85 RoHS:否 制造商:Cypress Semiconductor 存儲容量:16 Mbit 組織:1 M x 16 訪問時間:55 ns 電源電壓-最大:3.6 V 電源電壓-最小:2.2 V 最大工作電流:22 uA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSOP-48 封裝:Tray |
| PCF8570P/F5 | 制造商:NXP Semiconductors 功能描述:IC SRAM CMOS 2K 8570 DIP8 |
| PCF8570P/F5112 | 制造商:NXP Semiconductors 功能描述:IC SRAM 1KBIT I2C DIP-8 制造商:NXP Semiconductors 功能描述:IC SRAM 2K 8570 DIP8 |
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