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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT27C040 датащи(PDF) 3 Page - Holtek Semiconductor Inc |
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HT27C040 датащи(HTML) 3 Page - Holtek Semiconductor Inc |
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3 / 9 page  D.C. Characteristics Symbol Parameter Test Conditions Min. Typ. Max. Unit VCC Conditions Read operation VOH Output High Level 5V IOH= -0.4mA 2.4 ¾¾ V VOL Output Low Level 5V IOL=2.1mA ¾¾ 0.45 V VIH Input High Level 5V ¾ 2 ¾ VCC+0.5 V VIL Input Low Level 5V ¾-0.3 ¾ 0.8 V ILI Input Leakage Current 5V VIN=0 to 5.5V -5 ¾ 5 mA ILO Output Leakage Current 5V VOUT=0 to 5.5V -10 ¾ 10 mA ICC VCC Active Current 5V CE=VIL, f=5MHz IOUT=0mA ¾¾ 30 mA ISB1 Standby Current (CMOS) 5V CE=VCC ±0.3V ¾ 110 mA ISB2 Standby Current (TTL) 5V CE=VIH ¾¾ 1mA IPP VPP Read/Standby Current 5V CE=OE=VIL VPP=VCC ¾¾ 100 mA Programming operation VOH Output High Level 6V IOH= -0.4mA 2.4 ¾¾ V VOL Output Low Level 6V IOL=2.1mA ¾¾ 0.45 V VIH Input High Level 6V ¾ 0.7VCC ¾ VCC+0.5 V VIL Input Low Level 6V ¾-0.5 ¾ 0.8 V ILI Input Load Current 6V VIN=VIL,VIH ¾¾ 5.0 mA VH A9 Product ID Voltage 6V ¾ 11.5 ¾ 12.5 V ICC VCC Supply Current 6V ¾¾ ¾ 40 mA IPP VPP Supply Current 6V CE=VIL ¾¾ 10 mA Capacitance CIN Input Capacitance 5V VIN=0V ¾ 812 pF COUT Output Capacitance 5V VOUT=0V ¾ 812 pF CVPP VPP Capacitance 5V VPP=0V ¾ 18 25 pF A.C. Characteristics Ta=+25 °C±5°C Symbol Parameter Test Conditions Min. Typ. Max. Unit VCC Conditions Read operation tACC Address to Output Delay 5V CE=OE=VIL ¾¾ 70 ns tCE Chip Enable to Output Delay 5V OE=VIL ¾¾ 70 ns tOE Output Enable to Output Delay 5V CE=VIL ¾¾ 30 ns tDF CE or OE High to Output Float, Whichever Occurred First 5V ¾¾ ¾ 25 ns tOH Output Hold from Address, CE or OE, Whichever Occurred First 5V ¾ 0 ¾¾ ns HT27C040 Rev. 1.00 3 April 30, 2001 |
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