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GENERALPLUS TECHNOLOGY INC. reserves the right to change this documentation without prior notice. Information provided by GENERALPLUS TECHNOLOGY INC. is believed to be accurate and reliable. However, GENERALPLUS TECHNOLOGY INC. makes no warranty for any errors which may appear in this document. Contact GENERALPLUS TECHNOLOGY INC. to obtain the latest version of devi ce specifications before plac ing your order. No responsibility is assumed by GENERALPLUS TECHNOLOGY INC. for any infringement of patent or other rights of third parties which may result from its use. GGPPRRSS551122CC DEC. 25, 2009 Version 1.2 551122KK--BBiitt SSeerriiaall RRAAMM In addition, GENERALPLUS products are not authorized for use as critical components in life s upport devices/systems or aviation devices/systems, where a malfunction or failure of the product may reasonably be expected to result in significant injury to the user, without the express written approval of Generalplus.
© Generalplus Technology Inc. Proprietary & Confidential 2 DEC. 25, 2009 Version: 1.2 Table of Contents PAGE
© Generalplus Technology Inc. Proprietary & Confidential 3 DEC. 25, 2009 Version: 1.2 512K-BIT SERIAL RAM 1. GENERAL DESCRIPTION The GPRS512C is a low power 512K-bit serial static RAM. It is ideal for applications requiring l ong operating time or non-volatile storage with back-up batteries. The output port is a 3-state output that allows easy expansion of memory capacity. 2. FEATURES Fast Access time ---- 250ns @ VDD = 3.0V Low supply current ---- operation: 250μ A (Typ.) @ VDD = 3.0V and FSCL = 2.0MHz Standby: 5 μA (Typ.) Completely static ---- two-pin access Single power supply ---- 2.4V to 3.6V Non-volatile storage with back-up batteries 3. BLOCK DIAGRAM MEMORYS.I. (Serial Interface) CS DATA SCL SDA A15-0 RW
© Generalplus Technology Inc. Proprietary & Confidential 4 DEC. 25, 2009 Version: 1.2 4. SIGNAL DESCRIPTIONS Mnemonic PIN No. Type Description CS 1 I Chip select - Enable 512K SCL 2 I Serial clock input SDA 3 I/O Serial Input / Output data VSS 4 I Ground VDD 5 I Power input LP 6 O Must be floating 4.1. PIN Configuration SOP 8 CS SCL SDA VSS NC NC NC VDD
© Generalplus Technology Inc. Proprietary & Confidential 5 DEC. 25, 2009 Version: 1.2 4.2. PAD Assignment This IC substrate should be connected to VSS Note1: To ensure that the IC functions properly, please bond all of VDD and VSS pins. Note2: The 0.1μF capacitor between VDD and VSS should be placed to IC as close as possible.
© Generalplus Technology Inc. Proprietary & Confidential 6 DEC. 25, 2009 Version: 1.2 5. ELECTRICAL SPECIFICATIONS 5.1. Absolute Maximum Ratings Characteristics Symbol Ratings DC Supply Voltage V+ < 4.0V Input Voltage Range VIN -0.5V to V+ + 0.5V Operating Temperature TA -10 C to +60 C Storage Temperature TSTO -50 C to +150 C Note: Stresses beyond those given in the Absolute Maximum Ratings tabl e may cause operational errors or damage to the device. For no rmal operational conditions see AC/DC Electrical Characteristics. 5.2. DC Characteristics (VDD = 2.4V - 3.6V, TA = 0℃ to 70 ℃) Limit Characteristics Symbol Min. Typ. Max. Unit Test Condition Input Low Current IIL -1.0 - 1.0 μA VIN = 0 to VDD Output Low Current IOL -1.0 - 1.0 μA Chip disable Output High Voltage VOH 2.0 - - V IOH = 100μA Output Low Voltage VOL - - 0.4 V IOL = 400μA Standby Current ISTBY - 5.0 - μA Chip disable Operating Current IDD - 0.25 1.0 mA FSCL = 2.0MHz, no load 5.3. AC Characteristics (VDD = 2.4V - 3.6V, TA = 0℃ to 70 ℃) Test Condition VIH = VDD, VIL = 0V Input Rise and Fall Times = 10ns I/O Timing Reference Level = 1.5V Output Load: CLOAD = 50pF Limit Characteristics Symbol Min. Typ. Max. Unit Test Condition SCL Setup Time TCS 100 - - ns SDA Setup Time TDS 100 - - ns SDA Hold Time TDH 10 - - ns - - 700 ns VDD = 2.4V Access Time TACC - - 250 ns VDD = 3.0V 2000 - - ns VDD = 2.4V SCL Period TCK 500 - - ns VDD = 3.0V
© Generalplus Technology Inc. Proprietary & Confidential 7 DEC. 25, 2009 Version: 1.2 5.4. Timing Diagram 5.4.1. Serial Interface SCK SDA R/W A15 A14 A1 A0 D7 D6 D1 D0 Start Stop TACC TCKTdhTcs Tds *3*3*3 *3 *4 *4 *4 5.4.2. Successive Operation R/W A15 D7A0 D6 D0 D7 D0 D7 D0 D0D7SDA SCK addr stopstart addr+1 addr+n Note*1: Definition of start/stop command Start Operation SCL=”H” and SDA changes from “H” to “L”. Stop Operation SCL=”H” and SDA changes from “L” to “H”, or when CS =”H”. Note*2: Definition of R/W command Write Operation R/W=”L” at SCL rising edge Read Operation R/W=”H” at SCL rising edge Note*3: Master terminal of Serial Interface (SIF) must keep Hi-Z to avoid bus contention. Note*4: GPRS512C (Slave terminal of SIF) will stop driving output to avoid bus contention.
© Generalplus Technology Inc. Proprietary & Confidential 8 DEC. 25, 2009 Version: 1.2 6. APPLICATION CIRCUITS 6.1. Application Circuit - (1) ROSC RESET MIC OPIN OPOUT ALC IOD0 IOD7 AUD1 AUD2 VDD R3 C3 GPCR02A VD D 8050 8050 IOD0 IOD7 Q1Q2 MIC SDA SCL IOC0 IOC3 IOC0 IOC3 IOB0 IOB3 IOB0 IOB3 R4C4 SDA SCL VDD VSS VDDGPRS512C Input SpeakerSpeaker 4.7K0.1μ0.1μ 47μ 43K 0.1μ 100K 68p 200K0.22μ IOC6 IOC7 IOC6 IOC7 IOB6 IOB7 IOB6 IOB7 CSCS VSS VDD
© Generalplus Technology Inc. Proprietary & Confidential 9 DEC. 25, 2009 Version: 1.2 6.2. Application Circuit - (2)
© Generalplus Technology Inc. Proprietary & Confidential 10 DEC. 25, 2009 Version: 1.2 7. PACKAGE/PAD LOCATIONS 7.1. Ordering Information Product Number Package Type GPRS512C - NnnV - C Chip form GPRS512C - HS01x Green Package - SOP 8 (150mil) Note1: Code number (NnnV) is assigned for customer. Note2: Code number (N = A-Z or 0-9, nn=00-99); version (V = A - Z). Note3: Package form number (x = 1 - 9, serial number).
© Generalplus Technology Inc. Proprietary & Confidential 11 DEC. 25, 2009 Version: 1.2 7.2. Package Information SOP 8 D y pin 1 index b e c E X H A detail X Dimension in inch Symbol Min. Typ. Max. A 0.053 - 0.069 A1 0.004 - 0.010 b - 0.016 - D 0.189 - 0.196 E 0.150 - 0.157 e - 0.050 - H 0.228 - 0.244 L1 0.016 - 0.050 y - - 0.004
© Generalplus Technology Inc. Proprietary & Confidential 12 DEC. 25, 2009 Version: 1.2 8. DISCLAIMER The information appearing in this publication is believed to be accurate. Integrated circuits sold by Generalplus Technology are covered by the warranty and patent indem nification provisions stipulated in the terms of sale only. GENERALPLUS makes no warranty, express, statutory implied or by description regarding the information in t his publication or regarding the freedom of the described chip(s) from patent infringement. FURTHER, GENERALPLUS MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PURPOSE. GENERALPLUS reserves the right to halt production or alter the specifications and prices at any time without notice. Acco rdingly, the reader is cautioned to verify that the data sheets and other information in this publication are current before placing orders. Products described herein are intended for use in normal co mmercial applications. Applications involving unusual environmental or reliability requirements, e.g. military equipment or medical lif e support equipment, are specifically not recommended without additional proc essing by GENERALPLUS for such applications. Please note th at application circuits illustrated in this document are for reference purposes only.
© Generalplus Technology Inc. Proprietary & Confidential 13 DEC. 25, 2009 Version: 1.2 9. REVISION HISTORY Date Revision # Description Page 2. Modify the “Ordering Information” in section 7.2. 3. Add the “Package Information” in section 7.3. JAN. 08, 2007 1.0 Original Note: The GPRS512C data sheet v1.0 is a continued version of SPRS512C data sheet v1.3.