SN74ALS992
- 3-State I/O-Type Read-Back Inputs
- Bus-Structured Pinout
- True Logic Outputs
- Designed With Nine Bits for Parity Applications
- Package Options Include Plastic Small-Outline (DW) Packages and Standard Plastic (NT) 300-mil DIPs
This 9-bit latch is designed specifically for storing the contents of the input data bus and providing the capability of reading back the stored data onto the input data bus. In addition, this device provides a 3-state buffer-type output and is easily implemented in parity applications.
The nine latches are transparent D-type latches. While the
latch-enable (LE) input is high, the Q outputs follow the data (D)
inputs. The Q outputs are in the 3-state condition when the
output-enable (
) input is
high.
Read back is provided through the output-enable (
) input. When
is taken low, the data present at
the output of the data latches is allowed to pass back onto the input
data bus. When
is taken high,
the output of the data latches is isolated from the D inputs.
does not affect the internal
operation of the latches; however, precautions should be taken not to
create a bus conflict.
The SN74ALS992 is characterized for operation from 0°C to 70°C.
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技術文檔
| 類型 | 標題 | 下載最新的英語版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 數(shù)據(jù)表 | 9-Bit D-Type Trans Read-Back Latch With 3-State Outputs 數(shù)據(jù)表 (Rev. B) | 1995年 1月 1日 |
訂購和質(zhì)量
- RoHS
- REACH
- 器件標識
- 引腳鍍層/焊球材料
- MSL 等級/回流焊峰值溫度
- MTBF/時基故障估算
- 材料成分
- 鑒定摘要
- 持續(xù)可靠性監(jiān)測
- 制造廠地點
- 封裝廠地點