Features: ` Single 5 V supply` High speed - Access time: 100 ns (max)` Low power - Active: 330 mW (max) - Standby: 165 W (max)` Byte-wide or word-wide data organization (Switched by BHE terminal)` Three-state data output for or-tying` Directly TTL compatible - All inputs and outputs` Pin compatibl...
HN62454: Features: ` Single 5 V supply` High speed - Access time: 100 ns (max)` Low power - Active: 330 mW (max) - Standby: 165 W (max)` Byte-wide or word-wide data organization (Switched by BHE terminal)` T...
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Parameter |
Symbol |
Value |
Unit |
Supply voltage*1 |
VCC |
0.3 to +7.0 |
V |
All input and output voltage*1 |
Vin, Vout |
0.3 to VCC + 0.3 |
V |
Operating temperature |
Topr |
0 to +70 |
°C |
Storage temperature |
Tstg |
55 to +125 |
°C |
Temperature under bias |
Tbias |
20 to +85 |
°C |
The HN62454 is a 4-Mbit CMOS mask-Programmable ROM organized either as 262144 words by 16 bits or 524288 words by 8 bits. Realizing low power consumption, this memory is allowed for battery operation. And a high speed access of 100 ns (max) is the most suitable to the system using a high speed microcomputer by 16 bits.