27C256-10IVS MICROCHIP [Microchip Technology], 27C256-10IVS Datasheet
27C256-10IVS
Related parts for 27C256-10IVS
27C256-10IVS Summary of contents
Page 1
... Automotive: -40˚C to +125˚C DESCRIPTION The Microchip Technology Inc. 27C256 is a CMOS 256K bit electrically Programmable Read Only Memory (EPROM). The device is organized as 32K words by 8 bits (32K bytes). Accessing individual bytes from an address transition or from power-up (chip enable pin going low) is accomplished in less than 90 ns ...
Page 2
... ELECTRICAL CHARACTERISTICS 1.1 Maximum Ratings* V and input voltages w.r.t. V ........ -0.6V to +7.25V voltage w.r.t. V during PP SS programming ....................................... -0.6V to +14.0V Voltage on A9 w.r.t. V ...................... -0.6V to +13.5V SS Output voltage w.r.t. V ............... -0. Storage temperature .......................... -65˚C to +150˚C Ambient temp. with power applied ..... -65˚C to +125˚C *Notice: Stresses above those listed under “Maximum Ratings” ...
Page 3
... TABLE 1-3: READ OPERATION AC CHARACTERISTICS AC Testing Waveform: Output Load: Input Rise and Fall Times Ambient Temperature: 27C256-90* 27C256-10* 27C256-12 27C256-15 27C256-20 Parameter Sym Min Max Address to Output t — 90 ACC Delay CE to Output Delay t — Output Delay t — O/P ...
Page 4
... TABLE 1-4: PROGRAMMING DC CHARACTERISTICS Parameter Status Input Voltages Logic”1” Logic”0” Input Leakage — Output Voltages Logic”1” Logic”0” V Current, program & verify — Current, program — Product Identification — Note 1: V must be applied simultaneously or before V ...
Page 5
... For Read operations, if the addresses are stable, the address access time ( output (t after a delay from the falling edge 27C256 Verify t AH Data Out Valid OUT OUT X High Z ...
Page 6
... Standby Mode The standby mode is defined when the CE pin is high (VIH) and a program mode is not defined. When these conditions are met, the supply current will drop from 100 A. 1.4 Output Enable This feature eliminates bus contention in multiple bus microprocessor systems and the outputs high impedance when the following condition is true: • ...
Page 7
... Microchip Technology Inc. Start ADDR = First Location 13. Program one 100 s pulse Increment X Verify Pass Byte Fail No Yes Device Failed Last Yes Address? No Increment Address 4.5V, 5. All Yes No bytes Device Device = original Passed Failed data? 27C256 DS11001L-page 7 ...
Page 8
... NOTES: DS11001L-page 8 1996 Microchip Technology Inc. ...
Page 9
... NOTES: 1996 Microchip Technology Inc. 27C256 DS11001L-page 9 ...
Page 10
... NOTES: DS11001L-page 10 1996 Microchip Technology Inc. ...
Page 11
... Product Identification System To order or to obtain information (e.g., on pricing or delivery), please use listed part numbers, and refer to factory or listed sales offices. 27C256 – /TS Package: Temperature Range: Access Time: Device 1996 Microchip Technology Inc Plastic Leaded Chip Carrier P = Plastic DIP (Mil 600) ...
Page 12
W ORLDWIDE AMERICAS Corporate Office Microchip Technology Inc. 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 602 786-7200 Fax: 602 786-7277 Technical Support: 602 786-7627 Web: http://www.microchip.com Atlanta Microchip Technology Inc. 500 Sugar Mill Road, Suite 200B Atlanta, GA 30350 ...