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Характеристики
SN74HC374DW, 8-битный, 8-канальный D-триггер со …The SN74HC374DW is an octal edge-triggered D-type Flip-flop with 3-state outputs. It is designed specifically for driving highly capacitive or relatively low-impedance loads. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers and working registers. On the positive transition of the clock input, the Q outputs are set to the logic levels that were set up at the data (D) inputs. An OE input places the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pull-up components. OE does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
• High-current 3-state true outputs can drive up to 15 LSTTL loads
• Full parallel access for loading
• 80µA Maximum low power consumption
• 14ns Typical tpd
• ±6mA Output drive at 5V
• 1µA Maximum low input current
• Green product and no Sb/Br
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