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S-7760A53XX-HCT1 Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-7760A53XX-HCT1 Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 53 page Rev.1.3_00 PROGRAMMABLE PORT CONTROLLER (PORT EXPANDER WITH BUILT-IN E2PROM CIRCUIT) S-7760A Seiko Instruments Inc. 1 The S-7760A is a programmable port controller IC comprised of an E 2PROM, 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 I 2C-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 E 2PROM. 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 I 2C-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 E 2PROM circuit: 6-byte • E 2PROM endurance: 10 5 cycles / word*1 (at −40 to +85 °C) • E 2PROM data retention: 10 years (after rewriting 10 5 cycles / word) • Function to protect write in E 2PROM • Function to prevent malfunction during low power supply voltage operation • Lead-free product • Small package: WLP-16A, 16-Pin TSSOP (Under development) *1. For each address (Word: 8 bits) Application • Mobile phone • Portable communication device • Digital still camera • Digital video camera Package Drawing Code Package Name Package Tape Reel WLP-16A HA016-A HA016-A HA016-A 16-Pin TSSOP *1 FT016-A FT016-A FT016-A *1. Under development |
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