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參數(shù)資料
| 型號： | HYB314400BJ-50- |
| 廠商： | SIEMENS AG |
| 英文描述： | 1M x 4-Bit Dynamic RAM |
| 中文描述： | 100萬× 4位動態(tài)隨機存儲器 |
| 文件頁數(shù)： | 24/25頁 |
| 文件大小： | 126K |
| 代理商： | HYB314400BJ-50- |
HYB 314400BJ-50/-60
3.3 V 1M
×
4 DRAM
Semiconductor Group
24
1998-10-01
Test Mode
As the HYB 314400BJ is organized internally as 512k
×
8-bits, a test mode cycle using 8:1
compression can be used to improve test time. Note that in the 1M
×
4 version the test time is
reduced by 1/2 for a linear test pattern.
In a test mode “write” the data from each I/O1 pin is written into eight bits simultaneously (all “1” or
all “0”).The I/O2 - I/O4 inputs are not used for writing in test mode. In test mode “read” each I/O
output is used for indicating the test mode result. If the internal eight bits are equal, the I/O would
indicate a “1”. If they were not equal, the I/O would indicate a “0”. Note that in test mode "read"
I/O1-I/O3 are always driven to “ones”, i.e. all outputs will be “1” for a test mode “pass”. 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.
Addresses A10R, A10C and A0C are don‘t care during test mode.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HYB314400BJ-60 | IC-DARLINGTON ARRAY 4UNIT RoHS Compliant: Yes |
| HYB 314400BJ-60 | 1M × 4-Bit Dynamic RAM(Fast Page Mode)(1M x 4位 動態(tài) RAM(快速頁面模式)) |
| HYB 39S128160CT | 128-Mbit(4banks × 2MBit × 16) Synchronous DRAM(128M(4列 × 2M位 × 16)同步動態(tài)RAM) |
| HYB 39S128400CT | 128-Mbit(4banks × 8MBit × 4) Synchronous DRAM(128M(4列 × 8M位 × 4)同步動態(tài)RAM) |
| HYB 39S128800CT | 128-Mbit(4banks × 4MBit × 8) Synchronous DRAM(128M(4列 × 4M位 × 8)同步動態(tài)RAM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HYB314400BJ-60 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:1M x 4-Bit Dynamic RAM |
| HYB314400BJL-50 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
| HYB314400BJL-60 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
| HYB314400BJL-70 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x4 Fast Page Mode DRAM |
| HYB314405BJ-50 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:1M x 4-Bit Dynamic RAM |
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