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1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
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Description
CMOS Real Time Clock/Calendar/,2V
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DESCRIPTION
The MSM6242B is a silicon gate CMOS Real Time Clock/Calendar for use in direct bus-connection Microprocessor /Microcomputer applications. An on-chip 32.768KHz. Crystal oscillator time base is divided to provide addressable 4-bit I/O data for SECONDS, MINUTES, HOURS,DAY OF WEEK,DATE, MONTH and YEAR.Data access is controlled by 4-bit address,chip selects (CSO, CS1), WRITE, READ, and ALE. Control Registers D, E and F provide for 30 SECOND error adjustment,INTERRUPT REQUEST (IRQ FLAG) and BUSY status bits,clock STOP,HOLD, and RESET FLAG bits, 4 selectable INTERRUPTS rates are available at the STD.P (STANDARD PULSE) output utilizing Control Register inputs T0, T1 and the ITRPT/STND (INTERRUPT/STANDARD). Masking of the interrupt output (STD.P) can be accomplished via the MASK bit. The MSM6242B can operate in a 12/24 hour format and Leap Year timing is automatic.
The MSM6242B normally operates from a 5V ±10% supply at-40 to 85℃. Battery backup operation down to 2.0V allows continuation of time keeping when main power is off.The MSM6242B is offered in a 18-pin plastic DIP and a 24-pin plastic Small Outline package.
FEATURES
● 4-bit data bus
● 4-bit address bus
● READ, WRITE,ALE and CHIP SELECT INPUTS
● Status registers-IRQ and BUSY
● Selectable interrupt outputs -1/64 second,1 second, 1 minute, 1 hour
● Interrupt masking
● 32.768KHz crystal controlled operation
● 12/24 hour format
● Auto leap year
● ±30 second error correction
● Single 5V supply
● Battery backup down to VDD = 2.0V
● Low power dissipation:
20μW max at VDD =2V
150μW max at VDD = 5V
● 18 pin Plastic DIP (DIP18-P-300).
● 24 Pin-V Plastic SOP (SOP24-P-430-VK)
Preview of the first 3 pages of the data sheet
Some Part number from the same manufacture
Same catergory
10000 buyer reviews from United States
Alireza Emami
Length of registration:3 years
Baby received, the seller shipped quickly, the logistics is also very strong, the customer service attitude is very good, very patient, giving people a kind of intimacy, I like it very much.
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10/11/2022
Mark White
Length of registration:7 years
I recently ordered an IC MSM6242BRS from your company and I am very pleased with the product. The IC is a low-power, low-voltage, low-noise, low-distortion, low-power-consumption, high-performance audio amplifier. It is ideal for applications such as portable audio players, portable amplifiers, and other audio applications. The IC has excellent sound quality and is very reliable. I am very satisfi
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03/17/2023
Mariusz Adamus
Length of registration:7 years
Good
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0
Reply0
03/11/2017
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MSM6242B
MSM6242B has several brands around the world that may have alternate names for MSM6242B due to regional differences or acquisition. MSM6242B may also be known as the following names:
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Total Price:
Unit Price:1.68360
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