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UPD780023ACW-XXX Datasheet(PDF) 4 Page - NEC |
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UPD780023ACW-XXX Datasheet(HTML) 4 Page - NEC |
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4 / 96 page  4 µPD780021A, 780022A, 780023A, 780024A, 780021AY, 780022AY, 780023AY, 780024AY Data Sheet U14042EJ4V0DS EXPANDED-SPECIFICATION PRODUCTS AND CONVENTIONAL PRODUCTS The expanded-specification product and conventional product refer to the following products. Expanded-specification product: µPD780021A, 780022A, 780023A, 780024A for which orders were received after December 1, 2001. (Products with a rank Note other than K, E, P, X) Conventional product: Products other than the above expanded specification products. (Products with rank Note K, E, P, X) µPD780021AY, 780022AY, 780023AY, 780024AY Note The rank is indicated by the 5th digit from the left in the lot number marked on the package. Expanded-specification products and conventional products differ in the power supply voltage range and operating frequency ratings. Power Supply Voltage (VDD) Guaranteed Operating Speed (Operating Frequency) Conventional Products Expanded-Specification Products 4.5 to 5.5 V 8.38 MHz (0.238 µs) 12 MHz (0.166 µs) 4.0 to 5.5 V 8.38 MHz (0.238 µs) 8.38 MHz (0.238 µs) 3.0 to 5.5 V 5 MHz (0.4 µs) 8.38 MHz (0.238 µs) 2.7 to 5.5 V 5 MHz (0.4 µs) 5 MHz (0.4 µs) 1.8 to 5.5 V 1.25 MHz (1.6 µs) 1.25 MHz (1.6 µs) Remark The parenthesized values indicates the minimum instruction execution time. CORRESPONDENCE BETWEEN MASK ROM PRODUCTS AND FLASH MEMORY PRODUCTS Mask ROM Products Flash Memory Products Expanded-specification products of µPD780021A, µPD78F0034B 780022A, 780023A, 780024A Conventional products of µPD780021A, 780022A, µPD78F0034A 780023A, 780024A µPD780021AY, 780022AY, 780023AY, 780024AY µPD78F0034AY, 78F0034BY Remark The µPD78F0034A and 78F0034B differ in the operating frequency ratings and communication mode of flash memory programming. The µPD78F0034AY and 78F0034BY only differ in the communication mode of flash memory programming. Refer to the data sheet of the products. Lot number Year code Rank Week code NEC Electronics control code |
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