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PL450 MODULE The PL450 module has two good quality clamshell sockets for 32 pin LCC flash and eproms. Note that this module supports devices which are also available in 32 pin DIL only. In practice, the PL450 supports devices in the size range from 1 to 8M bits and some smaller flash devices. The PL450 only supports devices whose normal operating Vcc is 5V. SPECIAL FEATURES This module can either gang program up to four devices with identical data or pairs of devices for 16 bit systems or a set of four devices for 32 bit systems if two modules are used. The PL450 also supports mask compatible devices and NV rams. TYPICAL EPROMS, EEPROMS AND NV RAMS 256K Devices 29C257 1M Devices 27C010(A/L), 27H010, 27(C)011, 27C100, 27C1000, 27C1001, 27C011, 27C301(A), 27C301P, 27V101, 29C010(A), 571000, 571001, 29EE010, 29LE010. 2M Devices 27C020, 27C200, 27C201, 27C202, 27C020, 27C2001, 28F020(A). 4M Devices 27C040, 27C4001, 29C040, 574000. 8M Devices 27C080. TYPICAL FLASH 256K Devices 28F256(A), 29C257. 1M Devices 28F010(A), 28F101, 28F1000. 2M Devices 28F020(A), 28F201, 28F2000, 29F002B/T. 4M Devices 29F040(A/B), 28F4000, 49F040. 8M Devices 29F080(B). PROGRAMMER RAM CONFIGURATION For gang programming with identical data, the programmer ram size must not be smaller than the device size. For example, 4M bits of ram is required for gang programming 29F040s. However, for set programming a pair of devices with 16 bit data, twice as much programmer ram is required. For programming a set of four devices with 32 bit data, four times as much programmer ram is required. For example, 16M bits of programmer ram is needed to program a set of four 28F040s. As the programmer is not available with 16M bits of ram, a machine with 32M bits would be needed. RELATED MODULES The PL460 module has two clamshell LCC sockets for devices up to 27(C)512. DIL devices can be programmed on the PL300 module whilst some TSOP devices can be programmed on the PL333 module. The PL332 and PL232 support PLCC eproms and flash. |
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