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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： | 12/20頁 |
| 文件大小： | 140K |
| 代理商： | PCF8570 |
1999 Jan 06
12
Philips Semiconductors
Product specification
256
×
8-bit static low-voltage RAM with
I
2
C-bus interface
PCF8570
13.2
Slave address
The PCF8570 has a fixed combination 1 0 1 0 as group 1, while group 2 is fully programmable (see Fig.12).
13.3
Power-saving mode
With the condition TEST = V
DD
or V
DDR
the PCF8570 goes into the power-saving mode and I
2
C-bus logic is reset.
Fig.12 Slave address.
handbook, halfpage
MLB892
1
0
1
0
A2
A1
A0 R/W
group 1
group 2
Fig.13 Timing for power-saving mode.
(1) Power-saving mode without 5 V supply voltage.
(2) Power-saving mode with 5 V supply voltage.
(3) t
SU
and t
HD1
≥
4
μ
s and t
HD2
≥
50
μ
s.
handbook, full pagewidth
MLB932
power saving
mode (1)
TEST = VDDR
power saving
mode (2)
TEST = VDD
operating mode
TEST
SCL
SDA
VDD
IDD
VDD
VDDR
0 V
VDD
VDDR
0 V
VDD
VDDR
0 V
VDD
VDDR
0 V
IDD
IDDS
tSU
tHD1
tSU
tHD2
(3)
(3)
(3)
(3)
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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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