M6242B中文资料PDF规格书
M6242B规格书详情
DESCRIPTION
The MSM6242B is a silicon gate CMOS Real Time Clock/Calendar for use in direct bus
connection Microprocessor/Microcomputer applications. An on-chip 32.768 KHz 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 (IRQFLAG) 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). Mask
ing of the interrupt output (STD.P) can be accomplished via the MASK bit. The MSM6242B can operate in a 12/24 hour for mat and Leap Year timing is automatic.
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
• 32.768 KHz 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)
产品属性
- 型号:
M6242B
- 制造商:
OKI
- 制造商全称:
OKI electronic componets
- 功能描述:
DIRECT BUS CONNECTED CMOS REAL TIME CLOCK/CALENDAR
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
OKI |
2023+ |
SOP |
8800 |
正品渠道现货 终端可提供BOM表配单。 |
询价 | ||
OKI |
23+ |
DIP |
5000 |
原装现货,优势热卖 |
询价 | ||
23+ |
N/A |
90050 |
正品授权货源可靠 |
询价 | |||
OKI |
2019 |
SOP24 |
55000 |
进口原装现货一定自己库存 |
询价 | ||
OKI |
21+ |
SOP24 |
6000 |
原装正品 |
询价 | ||
OKI |
22+ |
SOP |
9000 |
原装正品 |
询价 | ||
OKI |
22+ |
SOP24 |
9600 |
原装现货,优势供应,支持实单! |
询价 | ||
OKI |
2022+ |
SOP |
5000 |
原厂授权代理 价格绝对优势 |
询价 | ||
OKI |
21+ |
DIP18 |
12588 |
原装现货价格优势 |
询价 | ||
OKI |
2020+ |
SOP24 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 |