參數(shù)資料
型號(hào)： μPD481850
廠商： NEC Corp.
英文描述： Synchronous Graphics Memory (SGRAM)(8M 同步圖形存儲(chǔ)器)
中文描述： 同步圖形存儲(chǔ)器（SGRAM）（8分同步圖形存儲(chǔ)器）
文件頁(yè)數(shù)： 5/94頁(yè)
文件大小： 1180K
代理商： ΜPD481850
Preliminary Data Sheet
5
μ
PD481850 for Rev.L
CONTENTS
1. Input/Output Pin Function.......................................................................................................7
2. Commands................................................................................................................................8
3. Simplified State Diagram .......................................................................................................12
4. Truth Table..............................................................................................................................13
4.1 Command Truth Table............................................................................................................... 13
4.2 DQM Truth Table ........................................................................................................................ 13
4.3 CKE Truth Table......................................................................................................................... 14
4.4 Operative Command Table........................................................................................................ 15
4.5 Command Truth Table for CKE................................................................................................. 22
4.6 Command Truth Table for Two Banks Operation ................................................................... 23
5. Initialization.............................................................................................................................24
6. Programming the Mode Register..........................................................................................25
7. Mode Register.........................................................................................................................26
7.1 Burst Length and Sequence ..................................................................................................... 27
8. Programming the Special Register.......................................................................................28
8.1 Color Register ............................................................................................................................ 28
8.2 Mask Register............................................................................................................................. 28
8.3 Special Register......................................................................................................................... 28
9. Address Bits of Bank Address and Precharge....................................................................29
10. Precharge..............................................................................................................................30
11. Auto Precharge.....................................................................................................................31
11.1 Read with Auto Precharge ...................................................................................................... 31
11.2 Write with Auto Precharge ...................................................................................................... 32
11.3 Block Write with Auto Precharge............................................................................................ 33
12. Write/Block Write with Write Per Bit...................................................................................34
12.1 Write Per Bit.............................................................................................................................. 34
13. Block Write............................................................................................................................34
13.1 Block Write ............................................................................................................................... 34
13.2 Column Mask............................................................................................................................ 35
13.3 Block Write Function ............................................................................................................... 36
相關(guān)PDF資料
PDF描述
μPD784224 16 Bit Single Chip Microcontrollers(16 位單片微控制器)
μPD784225 16 Bit Single Chip Microcontrollers(16 位單片微控制器)
μPD784225Y 16 Bit Single Chip Microcontrollers(16 位單片微控制器)
μPD78F4216Y 8/16 Bit RISC Microcontrollers(8/16位RISC微控制器)
μPD78F9177Y 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD481PI 功能描述:PHOTODIODE BLACK 960NM SIDE RoHS:否 類別:傳感器，轉(zhuǎn)換器 >> 光學(xué) - 光電檢測(cè)器 - 光電二極管 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 波長(zhǎng):850nm 顏色 - 增強(qiáng)型:- 光譜范圍:400nm ~ 1100nm 二極管類型:引腳 nm 下響應(yīng)率:0.62 A/W @ 850nm 響應(yīng)時(shí)間:5ns 電壓 - (Vr)（最大）:50V 電流 - 暗（標(biāo)準(zhǔn)）:1nA 有效面積:1mm² 視角:150° 工作溫度:-40°C ~ 100°C 封裝/外殼:徑向，5mm 直徑（T 1 3/4） 其它名稱:475-2649-6
PD481PIE000F 功能描述:PHOTODIODE BLACK 960NM SIDE RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 光學(xué) - 光電檢測(cè)器 - 光電二極管 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 波長(zhǎng):850nm 顏色 - 增強(qiáng)型:- 光譜范圍:400nm ~ 1100nm 二極管類型:引腳 nm 下響應(yīng)率:0.62 A/W @ 850nm 響應(yīng)時(shí)間:5ns 電壓 - (Vr)（最大）:50V 電流 - 暗（標(biāo)準(zhǔn)）:1nA 有效面積:1mm² 視角:150° 工作溫度:-40°C ~ 100°C 封裝/外殼:徑向，5mm 直徑（T 1 3/4） 其它名稱:475-2649-6
PD4859J5050S2 制造商:Anaren Microwave 功能描述:LOW PFOFILE 0805 POWER DIVIDER 50 50 OHM
PD4859J5050S2HF 功能描述:信號(hào)調(diào)節(jié) 4.8-5.9GHz 50 Ohm IL=1.0dB RoHS:否 制造商:EPCOS 產(chǎn)品:Duplexers 頻率:782 MHz, 751 MHz 頻率范圍: 電壓額定值: 帶寬: 阻抗:50 Ohms 端接類型:SMD/SMT 封裝 / 箱體:2.5 mm x 2 mm 工作溫度范圍:- 30 C to + 85 C 封裝:Reel
PD488588 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:288M bits Direct Rambus DRAM
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*