Memorie
La memoria e' un componente in grado conservare dati per un determinato periodo di tempo.
Ci sono due tipologie principali di memorie:
Ogni memoria ha un suo tempo di accesso che si misura in mS (millisecondi). Il tempo di accesso e' quindi la quantita' di tempo che intercorre da quando diamo l'ordine di effettuare la lettura dei dati, a quando inizia la lettura effettiva. |
Qui sotto una tabella con qualche sigla esempio, in base alla tipologia di memoria:
PROM |
Questa tipologia la escludo, essendo una delle prime tipologie di memorie create e dato che al giorno d'oggi e' praticamente inesistente. |
EPROM |
27C64, 27C128, 27C256, 27C512, 27C010, 27C020, 27C040, 27C1001, M27C1001, M27C2001, M27C4001, 27C080, M27C801,M87C257, 2716(Vpp25V), 2732, 2764, 27128, 27256, 27512, 27010 |
EEPROM |
28C65, 28C64, 28C128, 28C256,28C512, 28C010, 28C020, 28C040, M28C16A/17A, 28C16, XLS2816 |
I2C EEPROM (24xx) |
24C02, 24C04, 24C08, 24C16, 85C72, 85C82, 85C92, 24C32, 24C64, 24C128, 24C256, 24C512 |
MicroWire EEPROM (93Cxx) |
93C06, 93C46, 93LC46, 93C56, 93C57, 93C66, 93C76, 93C86, AT59C11, AT59C22, AT59C13, CAT35C102, CAT35C104, CAT35C108, 93C06A, 93C46X, 93C56, 93C66, 93C76, 93C86 |
ATMEL EEPROM |
AT28C256, AT28C010, AT28C040 |
SPI EEPROM (25xx) |
[Atmel] AT25010, AT25020, AT25040, AT25080, 160, 320, 640, 128, 256 [ST] W95010....256, Microchip 25x010 - 25x640 25C080, 25C160, 25C320, 25C640, 25C128, 25C256, 25C512 AT25HP256, AT25HP512 AT25HP1024 CAT64LC010, CAT64LC020, CAT64LC040 |
Flash |
28F64, 28F128, 28F256, 28F512, 28F010, 28F020 MX26C1000, MX26C2000, MX28F1000, MX28F2000 Am28F256A, Am28F512A, Am28F010A, Am28F020A 29F64, 29F128, 29F256, 29F512, 29F010, 29F020, 29F040, 29F080 29F001,29F002, 29F004, 29F008, 29F016, 29F032 i28F001BX, 28F004, 28F008, 28F016 |
ATMEL Flash |
AT29C256, AT29C512, AT29C010A, AT29C020, AT29C040, AT29C040A W29EE512, W29EE011, W29EE012, W29C020(128), W29C040 PH29EE010(W29EE011) ASD AE29F1008 (AT29C010), AE29F2008 (AT29C020) AT49F512, AT49F010, AT49F020, AT49F040 SST39SF010, SST3S9F020, SST39SF040 AT49F001, AT49F002 , AT49F008A Am29F512, Am29F010, Am29F020, Am29F040, HY29F080, 29F002, 29F002T, Pm29F002T |
Microchip PIC |
16C84, 16F84, 16F84A ,16F627/16F628 12C508/A, 12C509/A, 12CE518, 12CE519, 16C505 16C620 16C621, 16C622, 16CE623, 16CE624, 16CE625, 16C710/711 16F870, 16F871, 16F872, 16F873, 16F874, 16F876, 16F877 PIC16F873A, PIC16F874A, PIC16F876A, PIC16F877A |