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Details, datasheet, quote on part number:PCF8570
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| Part: | PCF8570 |
| Category: | Memory => SRAM => SRAM |
| Description: | PCF8570; 256 X 8-bit Static Low-voltage RAM With I2C-bus Interface |
| Company: | Philips Semiconductors |
| Datasheet: | Download PCF8570 datasheet File size : 117 kB |
| Request For quote: | Find where to buy PCF8570
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Datasheet text preview:
INTEGRATED CIRCUITS
DATA SHEET
PCF8570 256 × 8-bit static low-voltage RAM with I2C-bus interface
Product specification Supersedes data of 1997 Sep 02 File under Integrated Circuits, IC12 1999 Jan 06
Philips Semiconductors
Product specification
256 × 8-bit static low-voltage RAM with I2C-bus interface
CONTENTS 1 2 3 4 5 6 7 8 8.1 8.2 8.3 8.4 8.5 9 10 11 12 13 13.1 13.2 13.3 14 15 15.1 15.2 15.2.1 15.2.2 15.3 15.3.1 15.3.2 15.3.3 15.4 16 17 18 FEATURES APPLICATIONS GENERAL DESCRIPTION QUICK REFERENCE DATA ORDERING INFORMATION BLOCK DIAGRAM PINNING CHARACTERISTICS OF THE I2C-BUS Bit transfer Start and stop conditions System configuration Acknowledge I2C-bus protocol LIMITING VALUES HANDLING DC CHARACTERISTICS AC CHARACTERISTICS APPLICATION INFORMATION Application example Slave address Power-saving mode PACKAGE OUTLINES SOLDERING Introduction Through-hole mount packages Soldering by dipping or by solder wave Manual soldering Surface mount packages Reflow soldering Wave soldering Manual soldering Suitability of IC packages for wave, reflow and dipping soldering methods DEFINITIONS LIFE SUPPORT APPLICATIONS PURCHASE OF PHILIPS I2C COMPONENTS
PCF8570
1999 Jan 06
2
Philips Semiconductors
Product specification
256 × 8-bit static low-voltage RAM with I2C-bus interface
1 FEATURES
PCF8570
· Operating supply voltage 2.5 to 6.0 V · Low data retention voltage; minimum 1.0 V · Low standby current; maximum 15 µA · Power-saving mode; typical 50 nA · Serial input/output bus (I2C-bus) · Address by 3 hardware address pins · Automatic word address incrementing · Available in DIP8 and SO8 packages. 2 APPLICATIONS 3 GENERAL DESCRIPTION The PCF8570 is a low power static CMOS RAM, organized as 256 words by 8-bits. Addresses and data are transferred serially via a two-line bidirectional bus (I2C-bus). The built-in word address register is incremented automatically after each written or read data byte. Three address pins, A0, A1 and A2 are used to define the hardware address, allowing the use of up to 8 devices connected to the bus without additional hardware.
· Telephony: RAM expansion for stored numbers in repertory dialling (e.g. PCD33xxA applications) · General purpose RAM for applications requiring extremely low current and low-voltage RAM retention, such as battery or capacitor-backed. · Radio, television and video cassette recorder: channel presets · General purpose: RAM expansion for the microcontroller families PCD33xxA, PCF84CxxxA, P80CLxxx and most other microcontrollers. 4 QUICK REFERENCE DATA SYMBOL VDD IDD IDDR Tamb Tstg 5 supply voltage supply current (standby) supply current (power-saving mode) operating ambient temperature storage temperature PARAMETER
CONDITIONS fSCL = 0 Hz Tamb = 25 °C
MIN. 2.5 - - -40 -65
MAX. 6.0 15 400 +85 +150
UNIT µA nA °C °C
ORDERING INFORMATION TYPE NUMBER PACKAGE NAME DIP8 SO8 DESCRIPTION plastic dual in-line package; 8 leads (300 mil) plastic small outline package; 8 leads; body width 7.5 mm VERSION SOT97-1 SOT176-1
PCF8570P PCF8570T
1999 Jan 06
3
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