SN74ACT533

Name: SN74ACT533
Brand: TI
SKU: SN74ACT533
Price: 0.331 USD

ACTIVE

Octal Transparent D-Type Latches With 3-State Outputs

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Data sheet

document-pdfAcrobat SN54ACT533, SN74ACT533 datasheet (Rev. C)

SN74ACT533

ACTIVE

Data sheet

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Product details

Number of channels

8

Technology family

ACT

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)

90

IOL (max) (mA)

24

IOH (max) (mA)

-24

Supply current (max) (µA)

40

Features

Balanced outputs, High speed (tpd 10-50ns), Inverting output, Positive input clamp diode

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Number of channels

8

Technology family

ACT

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)

90

IOL (max) (mA)

24

IOH (max) (mA)

-24

Supply current (max) (µA)

40

Features

Balanced outputs, High speed (tpd 10-50ns), Inverting output, Positive input clamp diode

Operating temperature range (°C)

-40 to 85

Rating

Catalog

4.5-V to 5.5-V V_CC Operation
Inputs Accept Voltages to 5.5 V
Max t_pd of 11 ns at 5 V
Inputs Are TTL-Voltage Compatible
3-State Inverting Outputs Drive Bus Lines Directly

4.5-V to 5.5-V V_CC Operation
Inputs Accept Voltages to 5.5 V
Max t_pd of 11 ns at 5 V
Inputs Are TTL-Voltage Compatible
3-State Inverting Outputs Drive Bus Lines Directly

The ’ACT533 devices are octal transparent D-type latches with 3-state outputs. When the latch-enable (LE) input is high, the Q\ outputs follow the complements of the data (D) inputs. When LE is taken low, the Q\ outputs are latched at the inverted levels set up at the 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 need for interface or pullup components.

(OE)\ does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

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.

The ’ACT533 devices are octal transparent D-type latches with 3-state outputs. When the latch-enable (LE) input is high, the Q\ outputs follow the complements of the data (D) inputs. When LE is taken low, the Q\ outputs are latched at the inverted levels set up at the 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 need for interface or pullup components.

(OE)\ does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

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.

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