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M87C257-70XC1X Datasheet(PDF) 5 Page - STMicroelectronics |
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M87C257-70XC1X Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 13 page Symbol Parameter Test Condition Min Max Unit ILI Input Leakage Current 0V ≤ VIN ≤ VCC ±10 µA ILO Output Leakage Current 0V ≤ VOUT ≤ VCC ±10 µA ICC Supply Current E = VIL, G = VIL, IOUT = 0mA, f = 5MHz 30 mA ICC1 Supply Current (Standby) TTL E = VIH, ASVPP = VIH, Address Switching 10 mA E = VIH, ASVPP = VIL, Address Stable 1 mA ICC2 Supply Current (Standby) CMOS E ≥ VCC – 0.2V, ASVPP ≥ VCC – 0.2V, Address Switching 6mA E ≥ VCC – 0.2V, ASVPP = VSS, Address Stable 100 µA IPP Program Current VPP = VCC 100 µA VIL Input Low Voltage –0.3 0.8 V VIH (2) Input High Voltage 2 VCC + 1 V VOL Output Low Voltage IOL = 2.1mA 0.4 V VOH Output High Voltage IOH = –1mA VCC – 0.8V V Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP. 2. Maximum DC voltage on Output is VCC +0.5V. Table 7. Read Mode DC Characteristics (1) (TA = 0 to 70 °C, –40 to 85°C, –40 to 105°C or –40 to 125°C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC) Symbol Alt Parameter Test Condition M87C257 Unit -45 (3) -60 -70 -80 Min Max Min Max Min Max Min Max tAVQV tACC Address Valid to Output Valid E = VIL, G = VIL 45 60 70 80 ns tAVASL tAL Address Valid to Address Strobe Low 7777 ns tASHASL tLL Address Strobe High to Address Strobe Low 35 35 35 35 ns tASLAX tLA Address Strobe Low to Address Transition 20 20 20 20 ns tASLGL tLOE Address Strobe Low to Output Enable Low 20 20 20 20 ns tELQV tCE Chip Enable Low to Output Valid G = VIL 45 60 70 80 ns tGLQV tOE Output Enable Low to Output Valid E = VIL 25 30 35 40 ns tEHQZ (2) tDF Chip Enable High to Output Hi-Z G = VIL 025 0 30 030 0 40 ns tGHQZ (2) tDF Output Enable High to Output Hi-Z E = VIL 025 0 30 030 0 40 ns tAXQX tOH Address Transition to Output Transition E = VIL, G = VIL 0000 ns Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP. 2. Sampled only, not 100% tested. 3. In case of 45ns speed see High Speed AC measurement conditions. Table 8A. Read Mode AC Characteristics (1) (TA = 0 to 70 °C, –40 to 85°C, –40 to 105°C or –40 to 125°C; VCC = 5V ± 5% or 5V ± 10%; VPP = VCC) 5/13 M87C257 |
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