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E28F200BL-B150 Datasheet(PDF) 3 Page - Intel Corporation |
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E28F200BL-B150 Datasheet(HTML) 3 Page - Intel Corporation |
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3 / 42 page  28F200BL-TB 28F002BL-TB 10 PRODUCT FAMILY OVERVIEW Throughout this datasheet 28F200BL refers to both the 28F200BL-T and 28F200BL-B devices and 28F002BL refers to both the 28F002BL-T and 28F002BL-B devices The 2-Mbit flash family refers to both the 28F200BL and 28F002BL products This datasheet comprises the specifications for four sep- arate products in the 2-Mbit flash memory family Section 1 provides an overview of the 2-Mbit flash memory family including applications pinouts and pin descriptions Sections 2 and 3 describe in detail the specific memory organizations for the 28F200BL and 28F002BL products respectively Section 4 combines a description of the family’s principles of operations Finally section 5 describes the family’s operating specifications PRODUCT FAMILY x8x16 Products x8-Only Products 28F200BL-T 28F002BL-T 28F200BL-B 28F002BL-B 11 Designing for Upgrade to SmartVoltage Products Today’s high volume boot block products are up- gradable to Intel’s SmartVoltage boot block prod- ucts that provide program and erase operation at 5V or 12V VPP and read operation at 3V or 5V VCC Intel’s SmartVoltage boot block products provide the following enhancements to the boot block products described in this data sheet 1 DU pin is replaced by WP to provide a means to lock and unlock the boot block with logic sig- nals 2 5V ProgramErase operation uses proven pro- gram and erase techniques with 5V g10% ap- plied to VPP 3 Enhanced circuits optimize performance at 33V VCC Refer to the 2 4 or 8 Mbit SmartVoltage Boot Block Flash Memory Data Sheets for complete specifica- tions When you design with 12V VPP boot block products you should provide the capability in your board de- sign to upgrade to SmartVoltage products Follow these guidelines to ensure compatibility 1 Connect DU (WP on SmartVoltage products) to a control signal or to VCC or GND 2 If adding a switch on VPP for write protection switch to GND for complete write protection 3 Allow for connecting 5V to VPP and disconnect 12V from line VPP line if desired 12 Main Features The 28F200BL28F002BL low power boot block flash memory family is a very low power and very high performance 2-Mbit (2097152 bit) memory family organized as either 128 Kwords (131072 words) of 16 bits each or 256 Kbytes (262144 bytes) of 8 bits each Five Separately Erasable Blocks including a Hard- ware-Lockable boot block (16384 Bytes) two pa- rameter blocks (8192 Bytes each) and two main blocks (1 block of 98304 Bytes and 1 block of 131072 Bytes) are included on the 2-Mbit family An erase operation erases one of the 5 blocks in typi- cally 34 seconds and the boot or parameter blocks in typically 20 seconds independent of the remain- ing blocks Each block can be independently erased and programmed 10000 times The Boot Block is located at either the top (28F200BL-T 28F002BL-T) or the bottom (28F200BL-B 28F002BL-B) of the address map in order to accommodate different microprocessor pro- tocols for boot code location The hardware locka- ble boot block provides the most secure code stor- age The boot block is intended to store the kernel code required for booting-up a system When the RP pin is between 114V and 126V the boot block is unlocked and program and erase operations can be performed When the RP pin is at or below 41V the boot block is locked and program and erase op- erations to the boot block are ignored The 28F200BL products are available in the ROMEPROM compatible pinout and housed in the 44-Lead PSOP (Plastic Small Outline) package and the 56-Lead TSOP (Thin Small Outline 12 mm thick) package as shown in Figures 3 and 4 The 28F002BL products are available in the 40-Lead TSOP (12 mm thick) package as shown in Figure 5 The Command User Interface (CUI) serves as the interface between the microprocessor or microcon- troller and the internal operation of the 28F200BL and 28F002BL flash memory products 3 |
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