RV5-35V101MF80U-R, RV5C338A-E2, RV5C339A Selling Leads, Datasheet
MFG:MSOP10 Package Cooled:MSOP10 D/C:06+
RV5-35V101MF80U-R, RV5C338A-E2, RV5C339A Datasheet download
Part Number: RV5-35V101MF80U-R
MFG: MSOP10
Package Cooled: MSOP10
D/C: 06+
RV5-35V101MF80U-R, RV5C338A-E2, RV5C339A
- Table of contents:
Info of RV5-35V101MF80U-R
Info of RV5C338A-E2
Info of RV5C339A
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About RV55C-26R1DI
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Datasheet: RV55C-26R1DI
File Size: 148678 KB
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About RV5C338A-E2
PDF/DataSheet Download
Datasheet: RV5C338A-E2
File Size: 450913 KB
Manufacturer: RICOH [RICOH electronics devices division]
Download : Click here to Download
About RV5C339A
PDF/DataSheet Download
Datasheet: RV5C339A
File Size: 432097 KB
Manufacturer: RICOH [RICOH electronics devices division]
Download : Click here to Download
RV5C339A General Description
| Pin No. | Symbol | Name | Description |
| 7 | CE | Chip Enable Input | The CE pin is used for interfacing with the CPU. Should be held high to allow access to the CPU. Incorporates a pull-down resistor. Should be held low or open when the CPU is powered off. Allows a maximum input voltage of 5.5 volts regard- less of supply voltage. |
| 2 | SCLK | Serial Clock Input | The SCLK pin is used to input clock pulses synchronizing the input and output of data to and from the SIO pin. Allows a maximum input voltage of 5.5 volts regard- less of supply voltage. |
| 3 | SIO | Serial Input/Output | The SIO pin is used to input and output data intended for writing and reading in synchronization with the SCLK pin. CMOS input/output. |
| 6 | IATRA | Interrupt Output A | The IATRA pin is used to output periodic interrupt signals to the CPU and alarm interrupt signals (Alarm_D). Disabled at power-on from 0 volts. Nch. open drain output. |
| 4 | IATRB | Interrupt Output B | The IATRB pin is used to output alarm interrupt signals (Alarm_W). Disable at power-on from 0 volts. Nch. open drain output. |
| 1 | 32KOUT | 32-kHz Clock Output | The 32KOUT pin is used to output 32.768-kHz clock pulses. Enabled at power-on from 0 volts. Nch. open drain output. The RV5C339A is designed to be disabled 32-kHz clock output in response to a command from the host computer. |
| 9 8 |
OSCIN OSCOUT |
Oscillation Circuit Input/Output |
The OSCIN and OSCOUT pins are used to connect the 32.768-kHz crystal oscilla- tor (with all other oscillation circuit components built into the RV5C339A.) |
| 10 5 |
VDD VSS |
Positive Power Supply Input Negative Power Supply Input |
The VDD pin is connected to the power supply. The VSS pin is grounded. |
RV5C339A Maximum Ratings
| Symbol | Item | Conditions | Ratings | Unit |
| VDD | Supply Voltage | 0.3 to +6.5 | V | |
| VI | Input Voltage 1 | SIO | 0.3 to VDD+0.3 | V |
| Input Voltage 2 | SCLK, CE | 0.3 to +6.5 | ||
| VO | Output Voltage 1 | SIO | 0.3 to VDD+0.3 | V |
| Output Voltage 2 | 32KOUT, INTRA , INTRB | 0.3 to +6.5 | ||
| PD | Power Dissipation | Topt=25˚C | 300 | mW |
| Topt | Operating Temperature | 40 to +85 | ˚C | |
| Tstg | Storage Temperature | 55 to +125 | ˚C |
RV5C339A Features
• Timekeeping supply voltage ranging from 1.45 to 5.5 volts
• Low supply current: TYP. 0.35µA (MAX. 0.8µA) at 3 volts (at 25˚C)
• Only three signal lines (SCLK, SIO, and CE) required for connection to the CPU.
Maximum clock frequency of 2 MHz (with VDD of 5 volts)
• Time counters (counting hours, minutes, and seconds) and calendar counters (counting years, months, days, and
weeks) (in BCD format)
• 1900/2000 identification bit for Year 2000 compliance
• Interrupt circuit configured to generate interrupt signals (with interrupts ranging from 0.5 seconds to 1 month) to
the CPU and provided with an interrupt flag and an interrupt halt circuit
• 2 alarm circuits (Alarm_W for week , hour , and minute alarm settings and Alarm_D for hour and minute alarm
settings)
• 32-kHz clock circuit (Nch. open drain output)
Designed to disable 32-kHz clock output in response to a command from the host computer.
• Oscillation halt sensing circuit which can be used to judge the validity of internal data
• Supply voltage monitoring circuit with two supply voltage monitoring threshold settings
• Automatic identification of leap years up to the year 2099
• Selectable 12-hour and 24-hour mode settings
• Built-in oscillation stabilization capacitors (CG and CD)
• High precision oscillation adjustment circuit
• CMOS process
• Ultra-compact 10-pin SSOP-G (with a height of 1.20mm and size of 4.0×2.9mm)
• Low supply current: TYP. 0.35µA (MAX. 0.8µA) at 3 volts (at 25˚C)
• Only three signal lines (SCLK, SIO, and CE) required for connection to the CPU.
Maximum clock frequency of 2 MHz (with VDD of 5 volts)
• Time counters (counting hours, minutes, and seconds) and calendar counters (counting years, months, days, and
weeks) (in BCD format)
• 1900/2000 identification bit for Year 2000 compliance
• Interrupt circuit configured to generate interrupt signals (with interrupts ranging from 0.5 seconds to 1 month) to
the CPU and provided with an interrupt flag and an interrupt halt circuit
• 2 alarm circuits (Alarm_W for week , hour , and minute alarm settings and Alarm_D for hour and minute alarm
settings)
• 32-kHz clock circuit (Nch. open drain output)
Designed to disable 32-kHz clock output in response to a command from the host computer.
• Oscillation halt sensing circuit which can be used to judge the validity of internal data
• Supply voltage monitoring circuit with two supply voltage monitoring threshold settings
• Automatic identification of leap years up to the year 2099
• Selectable 12-hour and 24-hour mode settings
• Built-in oscillation stabilization capacitors (CG and CD)
• High precision oscillation adjustment circuit
• CMOS process
• Ultra-compact 10-pin SSOP-G (with a height of 1.20mm and size of 4.0×2.9mm)
RV5C339A Typical Application
• Communication devices (multi function phone, portable phone, PHS or pager)
• OA devices (fax, portable fax)
• Computer (desk-top and mobile PC, portable word-processor, PDA, electric note or video game)
• AV components (portable audio unit, video camera,camera, digital camera or remote controller)
• Home appliances (rice cooker, electric oven)
• Other (car navigation system, multi-function watch)
• OA devices (fax, portable fax)
• Computer (desk-top and mobile PC, portable word-processor, PDA, electric note or video game)
• AV components (portable audio unit, video camera,camera, digital camera or remote controller)
• Home appliances (rice cooker, electric oven)
• Other (car navigation system, multi-function watch)
RV5C339A Connection Diagram
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