Comment, MAX Unit, Cs=O.O, Outa | Intel 8080 instruction

SILICON GATE MOS 8302

Absolute Maximum Ratings ~~

Ambient Temperature Under Bias	oOc to +70oC
Storage Temperature	-65°C to +125 0 C
Soldering Temperature of Leads (10 sec)	. . . . . . .. +300 oC
Power Dissipation	2 Watts
Input Voltages and Supply
Voltages with respect to Vcc	+O.5V to -20V

*COMMENT

Stresses above those listed under II Absolute Maximum Rat- ings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or at any other condition above those indicated in the operational sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for ex- tended periods may affect device reliability.

READ OPERATION

D.C. and Operating Characteristics

TA =DOC to 70°C, Vee =+5V±5%, Voo =-9V±5%,V6~=-9V±5%,unless otherwise noted.

SYMBOL	TEST	MIN. TypJ2)	MAX.	UNIT
'll	Address and Chip Select		1	JJA
	Input Load Current
lO	Output Leakage Current		1	J,JA
'	Power Supply Current	5	10	mA
000	Power Supply Current	5	10	mA
'
1001	Power Supply Current	35	50	mA
002	Power Supply Current	32	46	mA
'
003	Power Supply Current	38.5	60	mA
'
CF1	Output Clamp Current	8	14	mA
CF1
'	Output Clamp Current		13	mA
CF2
'	Gate Supply Current		1	JJA
GG	Gate Supply Current		1	JJA
'	Input Low Voltage for	-1.0	0.65	V
V1L1	Input Low Voltage for	-1.0	0.65	V

TTL Interface

CONDITIONS

V,N = O.OV

VOUT = O.OV, CS = Vcc -2

VGG=Vec,CS=Vcc-2

10l= O.OmA, T A = 25°C

CS=Vee -2

'Ol=O.OmA, TA = 25°C

CS=O.O

'Ol=O.OmA, TA = 25°C

CS=Vec -2

'Ol=O.OmA , T A = OOC

VOUT = -1.0V,TA=ooC

V= -1.0V, T = 25°C

OUTA

"""l

>Continuous Operation

V1L2	Input Low Voltage for	Voo		Vce -6	V
	MOS Interface
V,H	Address and Chip Select	Vee -2		Vee +0.3	V
	Input High Voltage
'Ol	Output Sink Current	1.6	4		mA
'Ol
'OH	Output Source Current	-2.0			mA
'OH
VOL	Output Low Voltage		-.7	0.45	V
VOH	Output High Voltage	3.5	4.5		V

VOUT = 0.45V VOUT = O.OV 'Ol= 1.6mA 'OH= -100 fJA

Note 1. VGG may be clocked to reduce power dissipation. In this mode average 100 increases in proportion to VGG duty cycle. Note 2. Typical values are at nominal voltages and TA = 25°C.

5-52

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.

Intel 8080 manual Comment, MAX Unit, Cs=O.O, Outa

Models: 8080