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AT28HC64B-12TI Datasheet(PDF) 4 Page - ATMEL Corporation |
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AT28HC64B-12TI Datasheet(HTML) 4 Page - ATMEL Corporation |
4 / 12 page Symbol Parameter Condition Min Max Units ILI Input Load Current VIN = 0V to VCC + 1V 10 µA ILO Output Leakage Current VI/O = 0V to VCC 10 µA ISB1 VCC Standby Current CMOS CE = VCC - 0.3V to VCC + 1V Com., Ind. 100 (1) µA ISB2 VCC Standby Current TTL CE = 2.0V to VCC + 1V 2 (1) mA ICC VCC Active Current f = 5 MHz; IOUT = 0 mA 40 mA VIL Input Low Voltage 0.8 V VIH Input High Voltage 2.0 V VOL Output Low Voltage IOL = 2.1 mA .40 V VOH Output High Voltage IOH = -400 µA 2.4 V Note: 1. ISB1 and ISB2 for the 55 ns part is 40 mA maximum. DC Characteristics AT28HC64B-55 AT28HC64B-70 AT28HC64B-90 AT28HC64B-120 Operating Temperature (Case) Com. 0°C - 70°C 0°C - 70°C 0°C - 70°C 0°C - 70°C Ind. -40°C - 85°C -40°C - 85°C -40°C - 85°C VCC Power Supply 5V ± 10% 5V ± 10% 5V ± 10% 5V ± 10% DC and AC Operating Range Mode CE OE WE I/O Read VIL VIL VIH DOUT Write (2) VIL VIH VIL DIN Standby/Write Inhibit VIH X (1) X High Z Write Inhibit X X VIH Write Inhibit X VIL X Output Disable X VIH X High Z Chip Erase VIL VH (3) VIL High Z Notes: 1. X can be VIL or VIH. 2. Refer to the AC Write Waveforms diagrams in this data sheet. Operating Modes 3. VH = 12.0V ± 0.5V. DEVICE IDENTIFICATION: An extr a 64- b y te s o f EEPROM memory are available to the user for device identification. By raising A9 to 12V ± 0.5V and using ad- dress locations 1FC0H to 1FFFH, the additional bytes may be written to or read from in the same manner as the regular memory array. Device Operation (Continued) 2-270 AT28HC64B |
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