¡ Semiconductor
MSM80C31F/80C51F
• Package options
40-pin plastic DIP (DIP40-P-600-2.54)
44-pin plastic QFP (QFP44-P-910-0.80-2K)
44-pin plastic QFJ (PLCC) (QFJ44-P-S650-1.27)
:
:
:
(MSM80C31F-¥¥¥RS) (MSM80C51F-¥¥¥RS)
(MSM80C31F-¥¥¥GS) (MSM80C51F-¥¥¥GS)
(MSM80C31F-¥¥¥JS) (MSM80C51F-¥¥¥JS)
¥¥¥ indicates the code number.
DIFFERENCESBETWEENMSM80C31F/MSM80C51FANDMSM80C31/MSM80C51
• Operating frequency
0.5 to 16 MHz ..................... MSM80C31F-1/MSM80C51F-1
0.5 to 12 MHz ..................... MSM80C31/MSM80C51/MSM80C31F/MSM80C51F
• External clock input terminal
XTAL1 ................................. MSM80C31F(-1)/MSM80C51F(-1)
XTAL2 ................................. MSM80C31/MSM80C51
• Emulation mode
Output impedance of ALE and PSEN pins becomes about 20 kW while CPU is being reset in
MSM80C31F/MSM80C51F.
Any other functions and electrical characteristics of MSM80C31F/MSM80C51F except for
above three differences are the same as those of MSM80C31/MSM80C51.
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OKI [ OKI ELECTRONIC COMPONETS ]
