Features: ` Single 5 V supply: 5 V ±10% ` Access time: 85 ns/100 ns (max) ` Power dissipation - Active: 20 mW/MHz, (typ) - Standby: 110 W (max) ` On-chip latches: address, data, CE, OE, WE ` Automatic byte write: 10 ms max ` Automatic page write (64 bytes): 10 ms max ` Ready/Busy (only the HN58C...
HN58C257A: Features: ` Single 5 V supply: 5 V ±10% ` Access time: 85 ns/100 ns (max) ` Power dissipation - Active: 20 mW/MHz, (typ) - Standby: 110 W (max) ` On-chip latches: address, data, CE, OE, WE ` Autom...
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Parameter |
Symbol |
Value |
Unit |
Power supply voltage rerative to VSS |
VCC |
0.6 to +7.0 |
V |
Input voltage rerative to VSS |
Vin |
0.5*1 to +7.0*3 |
V |
Operating temperature range*2 |
Topr |
0 to +70 |
|
Storage temperature range |
Tstg |
55 to +125 |
The Hitachi HN58C256A and HN58C257A are electrically erasable and programmable ROMs organized as 32768-word ´ 8-bit. They have realized high speed low power consumption and high reliability by employing advanced MNOS memory technology and CMOS process and circuitry technology. They also have a 64-byte page programming function to make their write operations faster.