SN74BCT574

Name: SN74BCT574
Brand: TI
SKU: SN74BCT574
Price: 1.896 USD

활성

8진 D형 에지 트리거 플립플롭

지금 주문

데이터 시트

document-pdfAcrobat SN54BCT574, SN74BCT574 datasheet (Rev. C) (영어)

SN74BCT574

활성

데이터 시트

지금 주문

제품 상세 정보

Number of channels

8

Technology family

BCT

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Input type

TTL-Compatible CMOS

Output type

3-State

Clock frequency (max) (MHz)

77

IOL (max) (mA)

64

IOH (max) (mA)

-15

Supply current (max) (µA)

62000

Features

Very high speed (tpd 5-10ns)

Operating temperature range (°C)

0 to 70

Rating

Catalog

Number of channels

8

Technology family

BCT

Supply voltage (min) (V)

4.5

Supply voltage (max) (V)

5.5

Input type

TTL-Compatible CMOS

Output type

3-State

Clock frequency (max) (MHz)

77

IOL (max) (mA)

64

IOH (max) (mA)

-15

Supply current (max) (µA)

62000

Features

Very high speed (tpd 5-10ns)

Operating temperature range (°C)

0 to 70

Rating

Catalog

Operating Voltage Range of 4.5 V to 5.5 V
State-of-the-Art BiCMOS Design Significantly Reduces I_CCZ
Full Parallel Access for Loading
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

Operating Voltage Range of 4.5 V to 5.5 V
State-of-the-Art BiCMOS Design Significantly Reduces I_CCZ
Full Parallel Access for Loading
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

The eight flip-flops of the ’BCT574 devices are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels that were set up at the data (D) inputs.

A buffered output-enable (OE)\ input can be used to place 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 pullup components.

To ensure the high-impedance state during power up or power down, (OE)\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

(OE)\ does not affect 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.

These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

The eight flip-flops of the ’BCT574 devices are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels that were set up at the data (D) inputs.

A buffered output-enable (OE)\ input can be used to place 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 pullup components.

To ensure the high-impedance state during power up or power down, (OE)\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

(OE)\ does not affect 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.

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