参数资料
型号: LM12H458CIVX
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQCC44
封装: PLASTIC, LCC-44
文件页数: 14/36页
文件大小: 1195K
代理商: LM12H458CIVX
Timing Diagrams V
A+=VD+=+5V,tR =tF = 3 ns, CL = 100 pF for the INT, DMARQ, D0–D15
outputs. (Continued)
8: RD pulse width
9: RD high to next RD or WR low
11: WR pulse width
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)
19: Address invalid from RD or WR high (hold time)
20: CS low or address valid to RD low
21: CS low or address valid to WR low
V
A+=VD+=+5V,tR =tF = 3 ns, CL = 100 pF for the INT,
DMARQ, D0–D15 outputs.
22: INT high from RD low
23: DMARQ low from RD low
01126417
FIGURE 11. Non-Multiplexed Data Bus (ALE = 1)
01126418
FIGURE 12. Interrupt and DMARQ
LM12454/LM12458/LM12H458
www.national.com
21
相关PDF资料
PDF描述
LM1301-7EPD9AFU 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
LM1501-7RD6AFU 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
LM1601-7RD0AFU 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
LM1901-7PD8AFU 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
LM1901-9RD1AFU 1-OUTPUT AC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LM12H458CIVX/NOPB 功能描述:IC ACQUISITION SYS 12BIT 44-PLCC RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘
LM12H458CMEL/883 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Ended Data Acquisition System
LM12H458MEL/883 制造商:NSC 制造商全称:National Semiconductor 功能描述:12-Bit Sign Data Acquisition System with Self-Calibration
LM12H458MW/883 制造商:未知厂家 制造商全称:未知厂家 功能描述:Single-Ended Data Acquisition System
LM12L438CIV 制造商:NSC 制造商全称:National Semiconductor 功能描述:Sign Data Acquisition System with Serial I/O and Self-Calibration