The Intel 8283 is an 8-bit

latch A latch or catch (called sneck in Northern England and Scotland) is a type of mechanical fastener that joins two (or more) objects or surfaces while allowing for their regular separation. A latch typically engages another piece of hardware on t ...

, which was developed primarily for the Intel-8086/

8087 The Intel 8087, announced in 1980, was the first x87 floating-point coprocessor for the 8086 line of microprocessors. The purpose of the 8087 was to speed up computations for floating-point arithmetic, such as addition, subtraction, multiplicat ...

/ 8088/ 8089-processors. The component comes in 20-pin

DIL package In microelectronics, a dual in-line package (DIP or DIL), is an electronic component package with a rectangular housing and two parallel rows of electrical connecting pins. The package may be through-hole mounted to a printed circuit board ( ...

. It was licensed i.e. to

NEC is a Japanese multinational information technology and electronics corporation, headquartered in Minato, Tokyo. The company was known as the Nippon Electric Company, Limited, before rebranding in 1983 as NEC. It provides IT and network soluti ...

and

Siemens Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', ''E ...

. If (''Output Enable'') connected to GND, the chip is selected. STB (''Strobe'') is connected to the pin ALE (''Address Latch Enable'') of the processor and takes over the address data from the multiplexed address-/databus. The incoming data is inverted – as opposed to the 8282. The Intel 8283 and I8283 (industrial grade) version was available for US$5.55 and $16.25 in quantities of 100 respectively.8086 Available for industrial environment, Intel Preview Special Issue: 16-Bit Solutions, Intel Corporation, May/June 1980, page 29.

References

Literature and datasheets

* Datasheet (Intel)
8282/8283 Octal Latch
* NEC Electronics (Europe) GmbH, 1982 Catalog, p. 703–706

{{DEFAULTSORT:8283 Input/output integrated circuits Intel chipsets