Datasheet Details
- Part number
- 87C257
- Manufacturer
- STMicroelectronics ↗
- File Size
- 143.37 KB
- Datasheet
- 87C257_STMicroelectronics.pdf
- Description
- ADDRESS LATCHED 256K 32K x 8 UV EPROM and OTP EPROM
87C257 Description
M87C257 ADDRESS LATCHED 256K (32K x 8) UV EPROM and OTP EPROM INTEGRATED ADDRESS LATCH FAST ACCESS TIME: 45ns LOW POWER “CMOS” CONSUMPTION: * .87C257 Features
* a 2 line control function which accommodates the use of multiple memory connection. The two line control function allows: a. the lowest possible memory power dissipation, b. complete assurance that output bus contention will not occur. For the most efficient use of these two control lines, E should87C257 Applications
* where the content is programmed only one time and erasure is not required, the M87C257 is offered in Plastic Leaded Chip Carrier, package. VCC 15 A0-A14 8 Q0-Q7 E G M87C257 Table 1. Signal Names A0 - A14 Q0 - Q7 E G ASVPP VCC VSS Address Inputs Data Outputs Chip Enable Output Enable Address St
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