数据搜索系统,热门电子元器件搜索 |
|
54F410 数据表(PDF) 2 Page - National Semiconductor (TI) |
|
|
54F410 数据表(HTML) 2 Page - National Semiconductor (TI) |
2 / 8 page Unit LoadingFan Out 54F74F Pin Names Description UL Input IIH IIL HIGHLOW Output IOH IOL A0–A3 Address Inputs 1010 20 mA b06 mA D0–D3 Data Inputs 1010 20 mA b06 mA CS Chip Select Input (Active LOW) 1020 20 mA b12 mA OE Output Enable Input (Active LOW) 1010 20 mA b06 mA WE Write Enable Input (Active LOW) 1010 20 mA b06 mA CP Clock Input (Outputs Change on LOW-to-HIGH Transition) 1020 20 mA b12 mA Q0–Q3 TRI-STATE Outputs 15040 (333) b 3 mA24 mA (20 mA) Functional Description Write Operation When the three control inputs Write En- able (WE) Chip Select (CS) and Clock (CP) are LOW the information on the data inputs (D0–D3) is written into the memory location selected by the address inputs (A0–A3) If the input data changes while WE CS and CP are LOW the contents of the selected memory location follow these changes provided setup and hold time criteria are met Read Operation Whenever CS is LOW and CP goes from LOW-to-HIGH the contents of the memory location select- ed by the address inputs (A0–A3) are edge-triggered into the Output Register The (OE) input controls the output buffers When OE is HIGH the four outputs (Q0–Q3) are in a high impedance or OFF state when OE is LOW the outputs are determined by the state of the Output Register Block Diagram TLF9538 – 4 2 |
类似零件编号 - 54F410 |
|
类似说明 - 54F410 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |