
5
PD780021A(A), 780022A(A), 780023A(A), 780024A(A), 780021AY(A), 780022AY(A), 780023AY(A), 780024AY(A)
Data Sheet U15131EJ3V0DS
EXPANDED-SPECIFICATION PRODUCTS AND CONVENTIONAL PRODUCTS
The expanded-specification product and conventional product refer to the following products.
Expanded-specification product:
PD780021A(A), 780022A(A), 780023A(A), 780024A(A) 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)
PD780021AY(A), 780022AY(A), 780023AY(A), 780024AY(A)
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
s)
12 MHz (0.166
s)
4.0 to 5.5 V
8.38 MHz (0.238
s)
8.38 MHz (0.238
s)
3.0 to 5.5 V
5 MHz (0.4
s)
8.38 MHz (0.238
s)
2.7 to 5.5 V
5 MHz (0.4
s)
5 MHz (0.4
s)
1.8 to 5.5 V
1.25 MHz (1.6
s)
1.25 MHz (1.6
s)
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
PD780021A(A),
PD78F0034B(A)
780022A(A), 780023A(A), 780024A(A)
Conventional products of
PD780021A(A),
780022A(A), 780023A(A), 780024A(A)
PD780021AY(A), 780022AY(A), 780023AY(A),
PD78F0034BY(A)
780024AY(A)
Caution The
PD78F0034B(A)andconventionalproductsofthe PD780021A(A),780022A(A),780023A(A),
and 780024A(A) differ in the operating frequency ratings. When using the mask ROM versions
in place of the flash memory versions, take note of the power supply voltage and operating
frequency used.
Lot number
Year
code
Rank
Week
code
NEC Electronics
control code