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GE28F128W18BC60 Datasheet(PDF) 11 Page - Intel Corporation |
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GE28F128W18BC60 Datasheet(HTML) 11 Page - Intel Corporation |
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11 / 100 page  Intel® Wireless Flash Memory (W18) Datasheet 11 partition boundaries, but user application code is responsible for ensuring that they don’t extend into a partition that is actively programming or erasing. Although each partition has burst-read, write, and erase capabilities, simultaneous operation is limited to write or erase in one partition while other partitions are in a read mode. Augmented erase-suspend functionality further enhances the RWW capabilities of this device. An erase can be suspended to perform a program or read operation within any block, except that which is erase-suspended. A program operation nested within a suspended erase can subsequently be suspended to read yet another memory location. After device power-up or reset, the W18 device defaults to asynchronous read configuration. Writing to the device’s configuration register enables synchronous burst-mode read operation. In synchronous mode, the CLK input increments an internal burst address generator. CLK also synchronizes the flash memory with the host CPU and outputs data on every, or on every other, valid CLK cycle after an initial latency. A programmable WAIT output signals to the CPU when data from the flash memory device is ready. In addition to its improved architecture and interface, the W18 device incorporates Enhanced Factory Programming (EFP), a feature that enables fast programming and low-power designs. The EFP feature provides the fastest currently-available program performance, which can increase a factory’s manufacturing throughput. The device supports read operations at 1.8 V and erase and program operations at 1.8 V or 12 V. With the 1.8-V option, VCC and VPP can be tied together for a simple, ultra-low-power design. In addition to voltage flexibility, the dedicated VPP input provides complete data protection when VPP ≤ VPPLK. This device allows I/O operation at voltages even lower than the minimum VCCQ of 1.7 V. This Extended VCCQ range, 1.35 V – 1.8 V, permits even greater system design flexibility. A 128-bit protection register enhances the user’s ability to implement new security techniques and data protection schemes. Unique flash device identification and fraud-, cloning-, or content- protection schemes are possible through a combination of factory-programmed and user-OTP data cells. Zero-latency locking/unlocking on any memory block provides instant and complete protection for critical system code and data. An additional block lock-down capability provides hardware protection where software commands alone cannot change the block’s protection status. The device’s Command User Interface (CUI) is the system processor’s link to internal flash memory operation. A valid command sequence written to the CUI initiates device Write State Machine (WSM) operation that automatically executes the algorithms, timings, and verifications necessary to manage flash memory program and erase. An internal status register provides ready/ busy indication results of the operation (success, fail, and so on). Three power-saving features– Automatic Power Savings (APS), standby, and RST#– can significantly reduce power consumption. The device automatically enters APS mode following read cycle completion. Standby mode begins when the system deselects the flash memory by de-asserting CE#. Driving RST# low produces power savings similar to standby mode. It also resets the part to read-array mode (important for system-level reset), clears internal status registers, and provides an additional level of flash write protection. |
Similar Part No. - GE28F128W18BC60 |
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Similar Description - GE28F128W18BC60 |
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