Z4A2321 Memtech, Z4A2321 Datasheet - Page 27
![no-image](/images/no-image-200.jpg)
Z4A2321
Manufacturer Part Number
Z4A2321
Description
Solid State Drives - SSD 32GB DRIVE IND TEMP
Manufacturer
Memtech
Datasheet
1.Z4A2321.pdf
(90 pages)
Specifications of Z4A2321
Product Category
Solid State Drives - SSD
Product
SATA Flash Drives
Operating Supply Voltage
5 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
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Zeus 2.5-Inch ATA Solid State Drive
Error Detection and Correction
The Error Detection Code and Error Correcting Code (EDC/ECC) helps maintain data integrity by
allowing single or multiple bit corrections to the data stored in the flash array. If the data in the flash
array is corrupted due to aging or during the programming process, the EDC/ECC will compensate
for the errors to ensure the delivery of accurate data to the host computer. The EDC/ECC engine is
capable of correcting up to 4 bytes in error and detecting up to 5 bytes in error. An extensive retry
algorithm is also implemented on all Zeus SSDs, so that single event disturbances such as ESD or
EMF occurring during a read operation can be readily overcome.
Reliability
Error Rates
Table 1 lists the error limit specifications. When all data correction mechanisms are enabled, the error
rate will be sustained through all operating temperature ranges as specified in the previous sections.
Built-In Self Test (BIST)
During power-up, the micro-controller tests the controller memory, and then performs a back-end
status check to verify proper flash memory controller operations. If a fault condition is detected in the
flash memory controller, the SSD’s status is reported as failed.
Mount Time
The amount of time required to initialize and mount a Zeus SSD varies according to the operating
system (Windows
Seek Time
Unlike a magnetic rotating disk, the SSD has no read/write heads or platters. There is no seek time
or rotational latency issues. The SSDs dramatically improve transaction throughput, particularly for
applications that are configured to take advantage of the characteristics of the drive.
•
•
•
•
DC power is maintained as specified in the datasheet
Errors caused by the host are excluded from rates
Errors from the same causes are counted as 1 block
Data stream is assumed random
®
, Linux
Error Type
Recoverable Data Error
Unrecoverable Data Error
®
, etc.) in which the SSD is running and the storage capacity of the drive.
Table 1.
Error Limits
Maximum Number of Errors
1 bit in 10
Less than 1 bit in 10
20
20
11
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