SILICON GATE MOS 8111-2

Absolute Maximum Ratings*

Ambient Temperature Under Bias. . . . .. O°C to 70°C

Storage Temperature

-65°C to +150°C

Voltage On Any Pin

 

With Respect to Ground

. . . . . . . .. -0.5V to +7V

Power Dissipation

1 Watt

*COMMENT:

Stresses above those listed under ''Absolute Maximum Rating" may cause permanent damage to the device. This is a stress rating only and functional operation of the de- vice at these or at any other condition above those indi- cated in the operational sections of this specification is not implied. Exposure to absolute maximum rating con- ditions for extended periods may affect device reliability.

D.C. and Operating Characteristics

TA = O°C to 70°C, VCC = 5V ±5% , unless otherwise specified.

Symbol

Parameter

Min. Typ.r 1]

III

Input Load Current

 

IlO H

I/O Leakage Current

 

IlOl

I/O Leakage Current

 

ICC1

Power Supply Current

30

ICC2

Power Supply Current

 

VIL

Input Low Voltage

-0.5

VIH

Input High Voltage

2.2

Val

Output Low Voltage

 

VOH

Output High Voltage

2.2

NOTES: 1. Typical values are for T A = 25°C and nominal supply voltage.

OUTPUT SOURCE CURRENT VS.

OUTPUT VOLTAGE

AMBIENT TEMPERATURE

-15 ~~-==--~O°C - t ---- + --- I ---- + -- ;

25°C

70°C

i-10~----4-..-+---+--t----t--+----1

!

~

.2

-5 .-.----

+--~-

o

__. - .

1

VOH (VOLTS)

Max.

Unit

Test Conditions

10

J.1A

VIN = 0 to 5.25V

15

J.1A

CE =2.2V, VI/O =4.0V

-50

J1A

CE =2.2V, VI/a =0.45V

60

mA

VIN = 5.25V

 

 

11/0 = OmA, TA = 25°C

70

mA

VIN = 5.25V

 

 

11/0 =OmA, TA = O°C

+0.65 V

Vcc V

0.45V 10l = 2.0mA

V 10H = -150 J.1A

OUTPUT SINK CURRENT VS.

OUTPUT VOLTAGE

15 ..--+---+--+-~~--+-------t

i10 ~--4---+--'~-~-+--+------4

!

..J

o

0.51.01.5

VOL (VOLTS)

5-72

Page 137 Page 139
Page 138
Image 138
Intel 8080 manual Symbol Parameter Min. Typ.r, Iii, ICC1, ICC2
Page 137 Page 139

8080 specifications

The Intel 8085 and 8080 microprocessors were groundbreaking innovations in the world of computing, paving the way for future microprocessor development and personal computing.

The Intel 8080, introduced in 1974, was an 8-bit microprocessor that played a fundamental role in the early days of personal computing. With a 16-bit address bus, it had the capability to address 64 KB of memory. Running at clock speeds of 2 MHz, the 8080 was notable for its instruction set, which included 78 instructions and 246 opcodes. It supported a range of addressing modes including direct, indirect, and register addressing. The 8080 was compatible with a variety of peripherals and played a crucial role in the development of many early computers.

The microprocessor's architecture was based on a simple and efficient design, making it accessible for hobbyists and engineers alike. It included an 8-bit accumulator, which allowed for data manipulation and storage during processing. Additionally, the 8080 featured registers like the program counter and stack pointer, which facilitated program flow control and data management. Its ability to handle interrupts also made it suitable for multitasking applications.

The Intel 8085, introduced in 1976, was an enhancement of the 8080 microprocessor. It maintained a similar architecture but included several key improvements. Notably, the 8085 had a built-in clock oscillator, simplifying system design by eliminating the need for external clock circuitry. It also featured a 5-bit control signal for status line management, which allowed for more flexible interfacing with peripheral devices. The 8085 was capable of running at speeds of up to 3 MHz and had an extended instruction set with 74 instructions.

One of the standout features of the 8085 was its support for 5 extra instructions for stack manipulation and I/O operations, which optimized the programming process. Additionally, it supported serial communication, making it suitable for interfacing with external devices. Its 16-bit address bus retained the 64 KB memory addressing capability of its predecessor.

Both the 8080 and 8085 microprocessors laid the groundwork for more advanced microprocessors in the years that followed. They demonstrated the potential of integrated circuits in computing and influenced the design and architecture of subsequent Intel microprocessors. Their legacy endures in the way they revolutionized computing, making technology accessible to a broader audience, and their influence is still felt in the design and architecture of modern microprocessors today.
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