参数资料
型号: PCF8570T/F5,512
厂商: NXP Semiconductors
文件页数: 4/20页
文件大小: 0K
描述: IC SRAM 2KBIT 100KHZ 8SOIC
标准包装: 64
格式 - 存储器: RAM
存储器类型: SRAM
存储容量: 2K (256 x 8)
速度: 100kHz
接口: I²C,2 线串口
电源电压: 2.5 V ~ 6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.295",7.50mm 宽)
供应商设备封装: 8-SO
包装: 管件
配用: 568-3512-ND - DEMO BOARD UART TO I2C
其它名称: 935154920512
PCF8570TD
PCF8570TD-ND

Philips Semiconductors
256 × 8-bit static low-voltage RAM with
I 2 C-bus interface
Product speci?cation
PCF8570
6
BLOCK DIAGRAM
handbook, full pagewidth
PCF8570
WORD
ADDRESS
REGISTER
7
ROW
SELECT
MEMORY
CELL
ARRAY
A0
A1
A2
1
2
3
6
I C BUS
SCL
SDA
VDD
5
8
INPUT
FILTER
POWER
ON
2
CONTROL
SHIFT
REGISTER
8
COLUMN
SELECT
MULTIPLEXER
R/W
CONTROL
7
VSS
TEST
PINNING
4
7
RESET
Fig.1 Block diagram.
MLB928
SYMBOL
A0
A1
PIN
1
2
DESCRIPTION
hardware address input 0
hardware address input 1
A2
V SS
3
4
hardware address input 2
negative supply
page
A0
A1
1
2
8
7
VDD
TEST
SDA
SCL
TEST
5
6
7
serial data input/output
serial clock input
Input for power-saving mode (see section
A2
VSS
3
4
PCF8570
6
5
SCL
SDA
“Power-saving mode”). Also used as a test output
during manufacture. TEST should be tied to V SS
MLB929
V DD
1999 Jan 06
8
during normal operation.
positive supply
4
Fig.2 Pin configuration.
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