| Part Numbers | Manufacturer Name | Datasheet | Format - Memory | Memory Type | Memory Size | Speed | Interface | Voltage - Supply | Operating Temperature | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|
| AT27C512R-55JC | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | 0?C ~ 70?C | 32-LCC (J-Lead) | |
| AT27C512R-55JI | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | -40?C ~ 85?C | 32-LCC (J-Lead) | |
| AT27C512R-55PC | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | 0?C ~ 70?C | 28-DIP (0.600", 15.24mm) | |
| AT27C512R-55PI | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | -40?C ~ 85?C | 28-DIP (0.600", 15.24mm) | |
| AT27C512R-55RC | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | 0?C ~ 70?C | 28-SOIC (0.342", 8.69mm Width) | |
| AT27C512R-55RI | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | -40?C ~ 85?C | 28-SOIC (0.342", 8.69mm Width) | |
| AT27C512R-55TC | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | 0?C ~ 70?C | 28-TSSOP (0.465", 11.80mm Width) | |
| AT27C512R-55TI | ATMEL CORP | EPROMs | EPROM OTP | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | -40?C ~ 85?C | 28-TSSOP (0.465", 11.80mm Width) | |
| AT49F512-55JU | ATMEL CORP | FLASH | FLASH | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | -40?C ~ 85?C | 32-LCC (J-Lead) | |
| AT49F512-55VU | ATMEL CORP | FLASH | FLASH | 512K (64K x 8) | 55ns | Parallel | 4.5 V ~ 5.5 V | -40?C ~ 85?C | 32-TFSOP (0.488", 12.40mm Width) |
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