SHARP
’l-1 “‘6I 8IL-4F .
5.2 input/output
circuit types
(1) Input pin 1 (SP, CK, CTR, RL, SAM, CSl, CS2, MODE, TST, TSTl, TST2, TSTS, TST4, and
TST5 pins)
Note that SP, CK, CTP, and MODE pins do not have pull-up functions.
TheTST.5 pin has the pull-down function.
Input pin
Input buffer
(2) Input pin 2 (VA, VB, VC, Vbl , and Vb2 pins)
Internal logic
Input pin BBp
fnternal logic
(3) Output pin (OS1 to OS240 pins)
vcc
t
Sample and
hold circuits
Operational amp--w,:eIr:--
7k
tput buffer
4
Outpu pin