• Part: UPD23C128080BL
  • Description: 128M-BIT MASK-PROGRAMMABLE ROM
  • Manufacturer: NEC
  • Size: 266.96 KB
Download UPD23C128080BL Datasheet PDF
NEC
UPD23C128080BL
Description The µPD23C128040BL and µPD23C128080BL are a 134,217,728 bits mask-programmable ROM. The word organization is selectable (BYTE mode : 16,777,216 words by 8 bits, WORD mode : 8,388,608 words by 16 bits). With 44-pin PLASTIC SOP package products, only WORD mode can be used; it is not possible to switch to BYTE mode. The active levels of OE (Output Enable Input) can be selected with mask-option. The µPD23C128040BL and µPD23C128080BL are packed in 48-pin PLASTIC TSOP(I) and 44-pin PLASTIC SOP. Features - Word organization 16,777,216 words by 8 bits (BYTE mode) Note Note Note 8,388,608 words by 16 bits (WORD mode) With 44-pin PLASTIC SOP package products, only WORD mode can be used. It is not possible to switch to BYTE mode. - Page access mode BYTE mode : 8 byte random page access (µPD23C128040BL) 16 byte random page access (µPD23C128080BL) WORD mode : 4 word random page access (µPD23C128040BL) 8 word random page access (µPD23C128080BL) - Operating supply voltage : VCC = 2.7...