S-7750C Datasheet, PDF (5/44 Pages) Seiko Instruments Inc – PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E²PROM CIRCUIT)
Rev.1.1_00
S-7750C
„ Equivalent Circuit of I/O Pin
This IC’s I/O pin does not have an element of pull-up or pull-down. The SDA line has an open drain output. The
followings are equivalent circuits.
SCL, TIMEN, CLK
SDA
Figure 3 SCL, TIMEN, CLK Pin
Open drain output
Figure 4 SDA Pin
WP
Figure 5 WP Pin
VCCL
DO
Figure 6 DO Pin and VCCL Pin
Seiko Instruments Inc.
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