UPD23C128040BL - NEC

UPD23C128040BL (UPD23C128040BL / UPD23C128080BL) 128M-BIT MASK-PROGRAMMABLE ROM

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).

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 to 3.6 V Operating supply voltage VCC 3.0 V ± 0.3 V 3.3 V ± 0.3 V Access time / Page access time ns (MAX.) 120 / 25 .