Purchase DP8228, In-stock DP8228 From SeekIC.
Part Number: DP8228
Description: The DP8228DP8228M DP8238DP8238M are system controllerbus drivers contained in a standard 28-pin dual- in-line package T...
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DP8228
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DataSheet
General Description
DP8228 General Description
The DP8228DP8228M DP8238DP8238M are system controllerbus drivers contained in a standard 28-pin dual- in-line package The chip which is fabricated using Schottky Bipolar technology generates all the read and write control signals required to directly interface the memory and input
output components of the 8080A microcomputer family The chip also provides drive and isolation for the bidirectional data bus of the 8080A microprocessor Data bus isolation enables the use of slower memory and inputoutput components in a system and provides for enhanced system noise immunity
A user-selected signal-level interrupt vector (RST 7) is provided by the device for use in the interrupt structure of small systems that need only one basic vector No additional components (such as an interrupt instruction port) are required to use the single interrupt vector in these systems The devices also generate an Interrupt Acknowledge (INTA) control signal for each byte of a multibyte CALL instruction when an interrupt is acknowledged by the 8080A This feature permits the use of a multilevel priority interrupt structure in large interrupt-driven systems
DP8228 Maximum Ratings
StorageTemperature ...........................................-65to+ 150
SupplyVoltage....................................................VCC- 0.5to +7V
InputVoltage ..........................................................-1.5Vto +7V
OutputCurrent ...............................................................100mA
Maximum Power Dissipation at 25
CavityPackage .........................................................2179mW
MoldedPackage ........................................................2361mW
SupplyVoltage....................................................VCC- 0.5to +7V
InputVoltage ..........................................................-1.5Vto +7V
OutputCurrent ...............................................................100mA
Maximum Power Dissipation at 25
CavityPackage .........................................................2179mW
MoldedPackage ........................................................2361mW
DP8228 Features
Single chip system controller and bus driver for 8080A Microcomputer Systems
Allows use of multibyte CALL instructions for Interrupt Acknowledge
Provides user-selected single-level interrupt vector (RST 7)
Provides isolation of data bus
Supports a wide variety of system bus structures
Reduces system component count
DP8238DP8238M provides advanced InputOutput Write and Memory Write control signals for large system timing control
Allows use of multibyte CALL instructions for Interrupt Acknowledge
Provides user-selected single-level interrupt vector (RST 7)
Provides isolation of data bus
Supports a wide variety of system bus structures
Reduces system component count
DP8238DP8238M provides advanced InputOutput Write and Memory Write control signals for large system timing control
DP8228
PDF/DataSheet Download
- Datasheet: DP8228
- File Size: 140754 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
- ·DP802518
- National Semiconductor
- 167262 KB
- ·DP8212
- NSC [National Semiconductor]
- 8-Bit Input/Output Port
- 193680 KB
- ·DP8212J
- NSC [National Semiconductor]
- 8-Bit Input/Output Port
- 193680 KB
- ·DP8212MJ
- NSC [National Semiconductor]
- 8-Bit Input/Output Port
- 193680 KB
- ·DP8212N
- NSC [National Semiconductor]
- 8-Bit Input/Output Port
- 193680 KB
- ·DP8216
- NSC [National Semiconductor]
- 4-Bit Bidirectional Bus Transceivers
- 120918 KB
- ·DP8216J
- NSC [National Semiconductor]
- 4-Bit Bidirectional Bus Transceivers
- 120918 KB
- ·DP8216MJ
- NSC [National Semiconductor]
- 4-Bit Bidirectional Bus Transceivers
- 120918 KB
DP8228 Relative Products
DP8226M
The DP8216/DP8216M and DP8226/DP8226M are 4-bit bidirectional bus drivers to use in bus oriented applications. The non-inverting DP8216/DP8216M and inverting DP8226/DP8226M drivers are provided for flexibility in system design.Each buffered line of the four-...
DP8226
The DP8216/DP8216M and DP8226/DP8226M are 4-bit bidirectional bus drivers to use in bus oriented applications. The non-inverting DP8216/DP8216M and inverting DP8226/DP8226M drivers are provided for flexibility in system design.Each buffered line of the four-...
DP8224
The DP8224 is a clock generator/driver contained in a standard, 16-pin dual-in-line package. The chip, which is fabricated using Schottky Bipolar technology, generates clocks and timing for the 8080A microcomputer family.Included in the DP8224 is an oscillat...
DP8216M
The DP8216/DP8216M and DP8226/DP8226M are 4-bit bidirectional bus drivers to use in bus oriented applications. The non-inverting DP8216/DP8216M and inverting DP8226/DP8226M drivers are provided for flexibility in system design.Each buffered line of the four-...
DP8216
The DP8216/DP8216M and DP8226/DP8226M are 4-bit bidirectional bus drivers to use in bus oriented applications. The non-inverting DP8216/DP8216M and inverting DP8226/DP8226M drivers are provided for flexibility in system design.Each buffered line of the four-...
DP8212M
The DP8212/DP8212M is an 8-bit input/output port contained in a standard 24-pin dual-in-line package. The device, which is fabricated using Schottky Bipolar technology, is part of National Semiconductor's 8080A support family. The DP8212/DP8212M can be used ...
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