S7760A Datasheet, PDF (1/54 Pages) Seiko Instruments Inc – PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT)

S-7760A Series
www.sii-ic.com
PROGRAMMABLE PORT CONTROLLER
(PORT EXPANDER WITH BUILT-IN E²PROM CIRCUIT)
© SII Semiconductor Corporation, 2007-2010
Rev.2.0_01
The S-7760A is a programmable port controller IC comprised of an E²PROM, a control circuit for data output, a circuit to
prevent malfunction caused by low power supply voltage and others.
This IC operates at 400 kHz and interfaces with exteriors via I²C-bus, controls an 8ch digital output with a serial signal.
Among the digital output ports of 8 channels, the lower 4 channels have a timer function so that at each port, users are able
to set the default value and inverted delay time. In the higher 4 channels, setting the fixed output is available at each port.
The default value is maintained despite power-off because this IC has an E²PROM.
The S-7760A is able to be used to control ON/OFF for the chips surrounding MPU and to output the default data that
devices fundamentally have.
 Features
• Operating voltage range:
2.3 to 4.5 V
• 8ch digital output:
Higher 4 channels; fixed output/lower 4 channels; timer action
• Operating frequency of I²C-bus interface: 400 kHz
• Low current consumption at standby:
3.0 μA Max. (VCCH = 4.5 V CMOS input type)
10.0 μA Max. (VCCH = 4.5 V low voltage input type)
• Built-in E²PROM circuit:
6-byte
• E²PROM endurance:
10⁵ cycles / word^*1 (at −40 to +85 °C)
• E²PROM data retention:
10 years (after rewriting 10⁵ cycles / word)
• Function to protect write in E²PROM
• Function to prevent malfunction during low power supply voltage operation
• Lead-free, halogen-free^*2
*1. For each address (Word: 8 bits)
*2. Refer to “ Product Name Structure” for details.
 Application
• Mobile phone
• Portable communication device
• Digital still camera
• Digital video camera
 Package
• WLP-16A
• 16-Pin TSSOP (Under development)
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