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AT27C520-70XC Datasheet(PDF) 6 Page - ATMEL Corporation |
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AT27C520-70XC Datasheet(HTML) 6 Page - ATMEL Corporation |
6 / 10 page AT27C520 6 Programming Waveforms Notes: 1. The Input Timing Reference is 0.8V for VIL and 2.0V for VIH. 2. tOE and tDFP are characteristics of the device but must be accommodated by the programmer. VCC OE/VPP ALE AD7 - AD0 A15 - A8 6.5V 5.0V 13V VIH VIL VIH VIL VIH VIL VIH VIL tVCS tOES tPRT tLP tALE ADDR tLAS tLAH tAS DATA IN tPW tOEH tVR tDH tDS ADDR tALE tLAH tLAS DATA OUT tOE tDFP tAH ADDRESS STABLE PROGRAM READ (VERIFY) DC Programming Characteristics T A = 25 ± 5°C, VCC = 6.5 ± 0.25V, OE/VPP = 13.0 ± 0.25V Note: 1. For address input A13 only. Symbol Parameter Test Conditions Limits Units Min Max I LI Input Load Current V IN = VIL, VIH ±10 µA I LI2 (1) Input Load Current A13 V IN = VIL, VIH ±100 µA V IL Input Low Level -0.6 0.8 V V IH Input High Level 2.0 V CC + 1.0 V V OL Output Low Voltage I OL = 2.1 mA 0.4 V V OH Output High Voltage I OH = -400 µA2.4 V I CC2 V CC Supply Current (Program and Verify) 25 mA I PP2 OE/V PP Current ALE = V IH 25 mA |
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