HD44780U Datasheet, PDF (57/59 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal Display Controller/Driver

Load Circuits
Data Bus DB0 to DB7
For V_CC = 4.5 to 5.5 V
Test
point
90 pF
V_CC = 5 V
3.9 k Ω
11 k Ω
IS2074 H
diodes
HD44780U
For V_CC = 2.7 to 4.5 V
Test
point
50 pF
External Driver Control Signals: CL1, CL2, D, M
Test
point
30 pF
57