AP-FD25A20E0004GR-J Apacer, AP-FD25A20E0004GR-J Datasheet - Page 4

• Manufacturer Part Number: AP-FD25A20E0004GR-J
• Description: Solid State Drives - SSD AFD25M2 (half size) 4GB
• Manufacturer: Apacer

Specifications of AP-FD25A20E0004GR-J

• Product Category: Solid State Drives - SSD
• Rohs: yes
• Product: ATA Flash Drives
• Memory Size: 4 GB
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C

Apacer’s ATA-Flash Drive (AFD) is a high-performance, solid state drive (SSD) designed to replace a
conventional IDE hard disk drive. AFD supports standard ATA/IDE protocol and can be plugged into a ZIF
connector commonly found in portable PCs. It is more rugged, reliable and power-efficient compared to
the mechanical hard drive and is designed for use in rugged laptops, military devices, thin clients, Point of
Sale (POS) terminals, telecom, medical instruments, surveillance systems and industrials PCs. Apacer
AFD Series is the best drop-in replacement for high-maintenance HDD where reliability is a major
concern.
AFD includes a built-in microcontroller and file management firmware that communicates through with the
ATA standard interfaces and is set to the Master operation in default. This means the AFD does not
require any additional or proprietary host software such as the Flash File System (FFS) and Memory
Technology Driver (MTD) software. AFD is designed to work at 3.3 Volts, support the standard ATA/IDE
protocol up to PIO Mode-4, Multiword DMA Mode-2, and Ultra DMA Mode-4 interfaces and uses a
standard ATA driver that fits to all major operating systems such as Microsoft’s Windows series, MAC OS,
and UNIX variants.
Featuring technologies as Advanced Wear-leveling algorithms, S.M.A.R.T, Built-In Hardware ECC,
Enhanced Data Integrity, Intelligent Power Failure Recovery, Secure Protection Zone and Quick Erase,
Apacer’s AFD assures users of a versatile device on data storage.
1.1 Performance-Optimized Controller
The heart of an ATA-Flash Drive is the ATA controller, which translates standard ATA signals into the
Flash Media data and controls of the flash media. This proprietary ATA controller is specifically designed
to attain high data throughput from the host to the flash.
1.1.1 Power Management Unit (PMU)
The power management unit (PMU) controls the power consumption of the ATA-Flash Drive. It reduces
the power consumption of the ATA-Flash Drive Controller by putting circuitry not in operation into sleep
mode. The PMU has zero wake-up latency.
1.1.2 SRAM Buffer
The ATA Flash Drive Controller performs as an SRAM buffer to optimize the host’s data transfer to and
from the flash media.
© 2009 Apacer Technology Inc.
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