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參數資料
| 型號： | HD74HC299 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 8-bit Universal Shift/Storage Register (with 3-state outputs) |
| 中文描述： | 8位通用移位/存儲寄存器（3態輸出） |
| 文件頁數： | 1/11頁 |
| 文件大小： | 81K |
| 代理商： | HD74HC299 |
HD74HC299
8-bit Universal Shift/Storage Register (with 3-state outputs)
Description
The HD74HC299 features multiplexed inputs/outputs to achieve full 8-bit data handling in a single 20-pin
package. Due to the large output drive capability and 3-state feature, this device is ideally suited for
interfacing with bus lines in a bus oriented system. Two function select inputs and two output control
inputs are used to choose the mode of operation as listed in the function table. Synchronous parallel
loading is accomplished by taking both function select lines S
0
and S
1
high. This places the 3-state outputs
in a high impedance state, which permits data applied to the input/output lines to be clocked into the
register. Reading out of the register can be done while the outputs are enabled in any mode. A direct
overriding clear input is provided to clear the register whether the outputs are enabled or disabled.
Features
High Speed Operation
High Output Current: Fanout of 15 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1 μA max
Low Quiescent Supply Current: I
CC
(static) = 4 μA max (Ta = 25°C)
相關PDF資料 |
PDF描述 |
|---|---|
| HD74HC30 | 1-Of-8 Data Selectors/Multiplexers With 3-State Outputs 16-CDIP -55 to 125 |
| HD74HC323 | 8-bit Universal Shift/Storage Register (with 3-state Outputs) |
| HD74HC32 | Quad. 2-input OR Gates |
| HD74HC352 | Dual 4-to-1-line Data Selectors/Multiplexers |
| HD74HC353 | Dual 4-to-1-line Data Selectors/Multiplexers (with 3-state outputs) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HD74HC299FP(E) | 制造商:Renesas Electronics 功能描述:74HC Bulk |
| HD74HC30FP-E | 制造商:Renesas Electronics 功能描述:74HC 8-Input NAND Gate Bulk |
| HD74HC30P | 制造商:Renesas Electronics Corporation 功能描述:NAND Gate 1-Element 8-IN CMOS 14-Pin PDIP |
| HD74HC32FPE | 制造商:Renesas Electronics 功能描述:74HC Quad 2-Input OR Gate Bulk |
| HD74HC32FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-14 |
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