HD404019R Datasheet, PDF (33/65 Pages) Renesas Technology Corp – CMOS 4-bit single-chip microcomputers

V_CC
Pull-up MOS (C)
V_CC
PMOS (B)
NMOS (A)
HD404019R Series
Write pulse
(output
instruction)
HLT
Data
MOS Buffer
A
B
C
On-Resistance Value
Approximately 250 Ω
Approximately 1 kΩ
Approximately 30 kΩ to 160 kΩ (V_CC = 5 V)
1 instruction cycle
Output instruction execution
Write pulse
Figure 15 Output Circuit Operation of With Pull-Up MOS Standard Pins
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