DM74LS573N

DM74LS573N Datasheet

DM74LS573 Octal D-Type Latch with 3-STATE Outputs

Part	Datasheet
DM74LS573N	DM74LS573N (pdf)

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DM74LS573 Octal D-Type Latch with 3-STATE Outputs DM74LS573 Octal D-Type Latch with 3-STATE Outputs The DM74LS573 is a high speed octal latch with buffered common Latch Enable LE and buffered common Output Enable OE inputs. This device is functionally identical to the DM74LS373, but has different pinouts. s Inputs and outputs on opposite sides of package allowing easy interface with microprocessors s Useful as input or output port for microprocessors s Functionally identical to DM74LS373 s Input clamp diodes limit high speed termination effects s Fully TTL and CMOS compatible Ordering Code: Order Number Package Number Package Description DM74LS573WM M20B 20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide DM74LS573N N20A 20-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol Connection Diagram VCC = Pin 20 GND = Pin 10 Pin Descriptions Function Tables Pin Names Data Inputs Output Latch Output Enable Enable Latch Enable Input Active HIGH 3-STATE Output Enable Input Active LOW 3-STATE Latch Outputs L = LOW State H = HIGH State X = Don't Care Z = High Impedance State QO = Previous Condition of O 2000 Fairchild Semiconductor Corporation DS009814 DM74LS573 Absolute Maximum Ratings Note 1 Supply Voltage Input Voltage Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range −65°C to +150°C Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation. Recommended Operating Conditions VCC VIH VIL IOH IOL TA Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Input Current LOW Level Output Current Free Air Operating Temperature Electrical Characteristics Over recommended operating free air temperature range unless otherwise noted Parameter Conditions Input Clamp Voltage VCC = Min, II = −18 mA HIGH Level Output Voltage VCC = Min, IOH = Max, VIL = Max LOW Level VCC = Min, IOL = Max,

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DM74LS573 Octal D-Type Latch with 3-STATE Outputs

DM74LS573 Octal D-Type Latch with 3-STATE Outputs

The DM74LS573 is a high speed octal latch with buffered common Latch Enable LE and buffered common Output Enable OE inputs.

This device is functionally identical to the DM74LS373, but has different pinouts.
s Inputs and outputs on opposite sides of package allowing easy interface with microprocessors
s Useful as input or output port for microprocessors s Functionally identical to DM74LS373 s Input clamp diodes limit high speed termination effects s Fully TTL and CMOS compatible
Ordering Code:

Order Number Package Number

Package Description

DM74LS573WM

M20B
20-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-013, Wide

DM74LS573N

N20A
20-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

VCC = Pin 20 GND = Pin 10

Pin Descriptions

Function Tables

Pin Names

Data Inputs

Output

Latch

Output

Enable

Enable

Latch Enable Input Active HIGH
3-STATE Output Enable Input Active LOW
3-STATE Latch Outputs

L = LOW State H = HIGH State X = Don't Care Z = High Impedance State QO = Previous Condition of O
2000 Fairchild Semiconductor Corporation DS009814

DM74LS573

Absolute Maximum Ratings Note 1

Supply Voltage

Input Voltage

Operating Free Air Temperature Range 0°C to +70°C

Storage Temperature Range
−65°C to +150°C

Note 1 The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The “Recommended Operating Conditions” table will define the conditions for actual device operation.

Recommended Operating Conditions

VCC VIH VIL IOH IOL TA

Parameter Supply Voltage HIGH Level Input Voltage LOW Level Input Voltage HIGH Level Input Current LOW Level Output Current Free Air Operating Temperature

Electrical Characteristics

Over recommended operating free air temperature range unless otherwise noted

Parameter

Conditions

Input Clamp Voltage

VCC = Min, II = −18 mA

HIGH Level

Output Voltage

VCC = Min, IOH = Max,

VIL = Max

LOW Level

VCC = Min, IOL = Max,

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Datasheet ID: DM74LS573N 513805