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| 型號(hào)： | SMX55161A-75HKCM |
| 廠商： | AUSTIN SEMICONDUCTOR INC |
| 元件分類： | DRAM |
| 英文描述： | 256K X 16 VIDEO DRAM, 75 ns, CDFP64 |
| 封裝： | CERAMIC, FP-64 |
| 文件頁(yè)數(shù)： | 3/64頁(yè) |
| 文件大?。?/td> | 1223K |
| 代理商： | SMX55161A-75HKCM |
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VRAM
SM55161A
Production
Austin Semiconductor, Inc.
AustinSemiconductor,Inc.reservestherighttochangeproductsorspecificationswithoutnotice.
11
SMJ55161A
Rev. 1.6
03/05
FIGURE 4: Example of a Byte-Read Cycle
byte operation
Byte operation can be applied in DRAM-read cycles, write
cycles, block-write cycles, load-write-mask-register cycles, and
load-color-register cycles. In byte operation, the column
address (A0–A8) is latched at the first falling edge of CASx\. In
read cycles, CASL\ enables the lower byte (DQ0–DQ7) and
CASU\ enables the upper byte (DQ8–DQ15) (see Figure 4).
In byte-write operation, CASL enables data to be written
to the lower byte (DQ0–DQ7), and CASU\ enables data to be
written to the upper byte (DQ8–DQ15). In an early write cycle,
WE is brought low prior to both CASx\ signals, and data setup
and hold times for DQ0 –DQ15 are referenced to the first falling
edge of CASx\ (see Figure 5).
For late-write or read-modify-write cycles, WE\ is brought
low after either or both CASL\ and CASU\ fall. The data is
strobed in with data setup and hold times for DQ0 –DQ15
referenced to WE\ (see Figure 6).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SMX55161A-80HKCI | 256K X 16 VIDEO DRAM, 80 ns, CDFP64 |
| SN1767K | PANEL MOUNT, CABLE TERMINATED, FEMALE, RF CONNECTOR, CRIMP |
| SN2297K | CABLE TERMINATED, FEMALE, RF CONNECTOR, CRIMP |
| SN54ALS15J-00 | ALS SERIES, TRIPLE 3-INPUT AND GATE, CDIP14 |
| SN54ALS240AFK | ALS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CQCC20 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMX55161A-80GBI | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:262144 x 16 BIT VRAM MULTIPORT VIDEO RAM |
| SMX55161A-80GBM | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:262144 x 16 BIT VRAM MULTIPORT VIDEO RAM |
| SMX55161A-80HKCI | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:262144 x 16 BIT VRAM MULTIPORT VIDEO RAM |
| SMX55161A-80HKCM | 制造商:AUSTIN 制造商全稱:Austin Semiconductor 功能描述:262144 x 16 BIT VRAM MULTIPORT VIDEO RAM |
| SMX55234W | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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