MFG:CY Package Cooled:DIP/24
MFG: CY
Package Cooled: DIP/24
Description: The CY7C291A is a high-performance 2K-word by 8-bit CMOS PROM. It is packaged in a 300-mil ceramic pac...
The CY7C291A is a high-performance 2K-word by 8-bit CMOS PROM. It is packaged in a 300-mil ceramic package which may be equipped with an erasure window; when exposed to UV light the PROM is erased and can then be reprogrammed. The memory cells utilize proven EPROM floating-gate technology and byte-wide intelligent programming algorithms.
The CY7C291A is a plug-in replacement for bipolar devices and offers the advantage of lower power, reprogrammability, superior performance and programming yield. The EPROM cell requires only 12.5V for the supervoltage and low current requirements allow for gang programming. The EPROM cells allow for each memory location to be tested 100%, as each location is written into, erased, and repeatedly exercised prior to encapsulation. Each PROM is also tested for AC performance to guarantee that after customer programming the product will meet DC and AC specification limits.
A read is accomplished by placing an active LOW signal on CS1, and active HIGH signals on CS2 and CS3. The contents of the memory location addressed by the address line (A0−A10) will become available on the output lines (O0−O7).
CY7C291A-35WC
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The CY7C291A, CY7C292A, and CY7C293A are high-perfor-mance 2K-word by 8-bit CMOS PROMs. The CY7C291A, CY7C292A, and CY7C293Aare functionally identical, but are packaged in 300-mil (7C291A, 7C293A) and 600-mil wide plastic and hermetic DIP packages (7C292A).T...
The CY7C287 is a high-performance 64K x 8 CMOS PROM.The CY7C287 is equipped with an output register and an output enable that can be programmed to be synchronous (ES) or asynchronous (E). It is available in a 28-pin, 300-mil package. The address set-up tim...
The CY7C281A and CY7C282A are high-performance 1024-word by 8-bit CMOS PROMs.The CY7C281A and CY7C282A are functionally identical, but are packaged in 300-mil and 600-mil-wide packages respectively. The CY7C281A is also available in a 28-pin leadless chip ca...
The CY7C281A is a high-performance 1024-word by 8-bit CMOS PROMs. It is packaged in 300-mil and 600-mil-wide packages respectively. The CY7C281A is also available in a 28-pin leadless chip carrier. The memory cells ofCY7C281A utilize proven EPROM floating-ga...
The CY7C277 is a high-performance 32K word by 8-bit CMOS PROMs. It is packaged in the slim 28-pin 300-mil package. The ceramic package of CY7C277 may be equipped with an erasure window; when exposed to UV light, the PROM is erased and can then be reprogramme...
The CY7C277 is a high-performance 32K word by 8-bit CMOS PROMs. TheCY7C277 is packaged in the slim 28-pin 300-mil package.The ceramic package may be equipped with an erasure window; when exposed to UV light, the PROM is erased and can then be reprogrammed. T...
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