參數(shù)資料
型號(hào)： LM12458CIVX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 模擬信號(hào)調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 13/36頁
文件大?。?/td> 1195K
代理商： LM12458CIVX
Timing Diagrams
V
A+=VD+ = +5V, tR =tF = 3 ns, CL = 100 pF for the
INT, DMARQ, D0–D15 outputs.
1, 3: CS or Address valid to ALE low set-up time.
2, 4: CS or Address valid to ALE low hold time.
5: ALE pulse width
6: RD high to next ALE high
7: ALE low to RD low
8: RD pulse width
9: RD high to next RD or WR low
10: ALE low to WR low
11: WR pulse width
12: WR high to next ALE high
13: WR high to next WR or RD low
14: Data valid to WR high set-up time
15: Data valid to WR high hold time
16: RD low to data bus out of TRI-STATE
17: RD high to TRI-STATE
18: RD low to data valid (access time)
01126416
FIGURE 10. Multiplexed Data Bus
LM12454/LM12458/LM12H458
www.national.com
20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM12458CIVX/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12458CMEL/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System
LM12458MEL/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System
LM12458MW/883 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Single-Ended Data Acquisition System
LM1246 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz I2C Compatible RGB Preamplifier with Internal 512 Character OSD ROM, 512 Character RAM and 4 DACs
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