參數(shù)資料
型號: HYB5117405BT-50
廠商: SIEMENS A G
元件分類: DRAM
英文描述: 4M x 4-Bit Dynamic RAM 2k & 4k Refresh
中文描述: 4M X 4 EDO DRAM, 50 ns, PDSO24
文件頁數(shù): 26/28頁
文件大?。?/td> 323K
代理商: HYB5117405BT-50
Semiconductor Group
26
HYB5116(7)405BJ/BT-50/-60/-70
4M x 4-EDO DRAM
Test Mode
As the HYB 5116(7)405BJ/BT is organized internally as 1M x 16-bits, a test mode cycle using 4:1
compression can be used to improve test time. Note that in the 4M x 4 version the test time is
reduced by 1/4 for a N test pattern.
In a test mode “write” the data from each I/O pin is written into four 1M blocks simultaneously (all
“1” s or all “0” s). In test mode “read” each I/O output is used for indicating the test mode result. If
the internal four bits are equal, the I/O would indicate a “1”. If they were not equal, the I/O would
indicate a “0”. The WCBR cycle (WE, CAS before RAS) puts the device into test mode. To exit
from test mode, a “CAS before RAS refresh”, “RAS only refresh” or “Hidden refresh” can be
used.Refresh during test mode operation can be performed by normal read cycles or by WCBR
refresh cycles.
Row addresses A0 through A9 have to kept high to perform a testmode entry cycle. All other
addresses are don’t care.
相關(guān)PDF資料
PDF描述
HYB5116405BT-70 4M x 4-Bit Dynamic RAM 2k & 4k Refresh
HYB5116405BJBT-50- 4M x 4-Bit Dynamic RAM 2k & 4k Refresh
HYB5116405BT-60 4M x 4-Bit Dynamic RAM 2k & 4k Refresh
HYB5117405BT-60 RP12 (A) Series - Powerline Regulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 12V; 2:1 Wide Input Voltage Range; 12 Watts Output Power; 1.6kVDC Isolation; UL Certified; Over Current Protection; Five-Sided Shield; Standard DIP24 and SMD-Pinning; Efficiency to 88%
HYB5117405BT-70 POWERLINE: RP12-S_DA - 2:1 Wide Input Voltage Range- 12 Watts Output Power- 1.6kVDC Isolation- Over Current Protection- Five-Sided Continuous Shield- Standard DIP24 and SMD-Pinning- Efficiency to 88%
相關(guān)代理商/技術(shù)參數(shù)
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HYB5117405BT-70 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:4M x 4-Bit Dynamic RAM 2k & 4k Refresh
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