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RT5C348B 4-wire Serial Interface

RT5C348B Description

12345 OUTLINE ’11.04.13 4-wire Serial Interface Rx5C348A/B The Rx5C348A/B are CMOS real-time clock ICs connected to the CPU by four signal lines, C.
Symbol CE Item Chip enable Input Description The CE pin is used for interfacing with the CPU.

RT5C348B Features

* Timekeeping supply voltage ranging from 1.45 to 5.5V Low power consumption Rx5C348A: 0.35µA TYP (0.8µA MAX) at VDD=3V Rx5C348B: 0.55µA TYP (1.0µA MAX) at VDD=3V Only four signal lines (CE, SCLK, SI, and SO) required for connection to the CPU. Maximum clock frequency of 2 MHz (with VDD = 5V) Time cou

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4-wire Serial Interface RICOH electronics devices division
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