+10, Cout, J1A, VAOOR/OATA = VSS + O.45V | Intel 8080 specification

SILICON GATE MOS 8080A-2

ABSOLUTE MAXIMUM RATINGS·

Temperature Under Bias	O°C to +70° C
Storage T emperatu re	_65°C to + 150°C
All Input or Output Voltages
With Respect to Vas	-0.3V to +20V
Vee, Voo and Vss With Respect to V ss	-0.3V to +20V
Power Dissipation	. . . . .. 1.5W

*COMMENT: Stresses above those listed under "Absolute Maxi- mum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the de- vice at these or any other conditions above those indicated in the operational sections of this specification is not implied. Ex- posure to absolute maximum rating conditions for extended periods may affect device reliability.

D.C. CHARACTERISTICS

TA = O°C to 70°C, VOO = +12V ± 5%, VCC = +5V ± 5%, Vas = -5V ± 5%, Vss = OV, Unless Otherwise Noted.

Symbol	Parameter	Min.	Typ.	Max.	Unit		Test Condition
VILC	Clock Input Low Voltage	Vss-l		Vss+0.8	V
V,HC	Clock Input High Voltage	9.0		Voo+l	V
V,L	Input Low Voltage	Vss - l		Vss+0.8	V
V,H	Input High Voltage	3.3		Vee+ 1	V
VOL	Output Low Voltage			0.45	V	}	IOL = 1.9mA on all outputs,
VO H	Output High Voltage	3.7			V		IOH = 150tlA.
VO H	Output High Voltage	3.7			V
100 (AV)	Avg. Power Supply Current (Voo )		40	70	mA	}	Operation
lee (AV)	Avg. Power Supply Current (Vcc )		60	80	mA	}	Operation
lee (AV)	Avg. Power Supply Current (Vcc )		60	80	mA		TCy = .38J,Lsec
	Avg. Power Supply Current (Vss )		.01	1	mA		TCy = .38J,Lsec
'ss(AV)	Avg. Power Supply Current (Vss )		.01	1	mA
IlL	Input Leakage			±10	J1A		Vss ~ VIN ~ Vec
ICl	Clock Leakage			±10	J1A		Vss ~ VeLocK ~ Voo
lol[2]	Data Bus Leakage in Input Mode			-100	J1A		VSS~VIN ~VsS+O.8V
				-2.0	mA		Vss+O.8V~VIN~Vee
							Vss+O.8V~VIN~Vee

Address and Data Bus Leakage

IFl

During HOLD

CAPACITANCE

TA = 25°C Vec = Voo = VSS = OV, VBS = -5V

Symbol	Parameter	Typ.	Max.	Unit
Cq,	Clock Capacitance	17	25	pf
C,N	Input Capacitance	6	10	pf
COUT	Output Capacitance	10	20	pf

NOTES:

1.The RESET signal must be active for a minimum of 3 clock cycles.

2.When oBIN is high and V,N > VIH an internal active pull up will be switched onto the Data Bus.

3.AI supply / ATA = -O.45%fC.

+10	J1A	VAOOR/OATA = Vec
-100	J1A	VAOOR/OATA = VSS + O.45V
-100		VAOOR/OATA = VSS + O.45V
		TYPICAL SUPPLY CURRENT VS.
		TEMPERATURE, NORMALIZED.[3]
	1 . 5, ..... ----- r ----- or ---- _
Test Condition	to-
	Z
fc = 1 MHz	w
	a::
	a::
	:>
Unmeasured Pins	(J 1.0 r------""""=-~---+__--~
Unmeasured Pins	>
	..J
	Q"
Returned to Vss	Q"
	:>
	(I)
	0.5 ----- +.1-.---- +5"' - 0 --- ...... J+
	0	25	75

AMBIENT TEMPERATURE (OC)

DATA BUS CHARACTERISTIC

DURING DBIN

MAX

°o~--""""'-----_----3llo--

Vee

5-25

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 +10, Cout, J1A, VAOOR/OATA = VSS + O.45V

Models: 8080

SILICON GATE MOS 8080A-2

ABSOLUTE MAXIMUM RATINGS·

D.C. CHARACTERISTICS

CAPACITANCE

COUT

+10

J1A

VAOOR/OATA = VSS + O.45V

Returned to Vss

8080 specifications