S-7760A53XX-HCT1 datasheet(5/53 Pages) SII

Part #	S-7760A53XX-HCT1

Description	PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

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Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

Rev.1.3_00

S-7760A

Seiko Instruments Inc.

5

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.

TIMEN, CLK

Figure 4 TIMEN, CLK Pin

SCL

Figure 5 SCL Pin (When selecting CLK option)

SCL

Open drain output

Figure 6 SCL Pin (When selecting BPDX option)

SDA

Open drain output

Figure 7 SDA Pin

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