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PCF8583T Electronic IC Chips Clock and calendar with 240 x 8-bit RAM
PCF8583T Electronic IC Chips Clock and calendar with 240 x 8-bit RAM
Specifications
Model Number :
PCF8583T
Certification :
new & original
Place of Origin :
original factory
MOQ :
10pcs
Price :
Negotiate
Payment Terms :
T/T, Western Union, Paypal
Supply Ability :
7600pcs
Delivery Time :
1 day
Packaging Details :
Please contact me for details
Description :
Real Time Clock (RTC) IC Clock/Calendar 240B I²C, 2-Wire Serial 8-SOIC (0.295", 7.50mm Width)
supply voltage :
−0.8 to +7.0 V
supply current :
50 mA
ground supply current :
50 mA
input voltage :
−0.8 to VDD + 0.8 V
input current :
10 mA
total power dissipation :
300 mW
Description

PCF8583 Clock and calendar with 240 x 8-bit RAM

General description

The PCF8583 is a clock and calendar chip, based on a 2048 bit static CMOS1 RAM organized as 256 words by 8 bits. Addresses and data are transferred serially via the two-line bidirectional I2C-bus. The built-in word address register is incremented automatically after each written or read data byte. Address pin A0 is used for programming the hardware address, allowing the connection of two devices to the bus without additional hardware.

The built-in 32.768 kHz oscillator circuit and the first 8 bytes of the RAM are used for the clock, calendar, and counter functions. The next 8 bytes can be programmed as alarm registers or used as free RAM space. The remaining 240 bytes are free RAM locations.

Features and benefits

  • „I 2C-bus interface operating supply voltage: 2.5 V to 6 V „
  • Clock operating supply voltage 1.0 V to 6.0 V at 0 °C to +70 °C „
  • 240 × 8-bit low-voltage RAM „
  • Data retention voltage: 1.0 V to 6.0 V „
  • Operating current (at fSCL = 0 Hz): max 50 μA „
  • Clock function with four year calendar „
  • Universal timer with alarm and overflow indication „
  • 24 hour or 12 hour format „
  • 32.768 kHz or 50 Hz time base „
  • Serial input and output bus (I2C-bus) „
  • Automatic word address incrementing „
  • Programmable alarm, timer, and interrupt function „
  • Slave addresses: A1h or A3h for reading, A0h or A2h for writing

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol Parameter Conditions Min Max Unit
VDD supply voltage −0.8 +7.0 V
IDD supply current - 50 mA
ISS ground supply current - 50 mA
VI input voltage −0.8 VDD + 0.8 V
II input current - 10 mA
IO output current - 10 mA
Ptot total power dissipation - 300 mW
Po output power - 50 mW
VESD electrostatic discharge voltage HBM [1] - ±3000 V
MM [2] - ±200 V
Ilu latch-up current [3] - 100 mA
Tstg storage temperature [4] -65 +150 °C
Tamb ambient temperature operating device -40 +85 °C

[1] Pass level; Human Body Model (HBM), according to Ref. 5 “JESD22-A114”.

[2] Pass level; Machine Model (MM), according to Ref. 6 “JESD22-A115”.

[3] Pass level; latch-up testing according to Ref. 7 “JESD78” at maximum ambient temperature (Tamb(max)).

[4] According to the store and transport requirements (see Ref. 9 “NX3-00092”) the devices have to be stored at a temperature of +8 °C to +45 °C and a humidity of 25 % to 75 %. For long term storage products deviant conditions are described in that document.

Block diagram

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Product tags

pc 2700 ram

,

ibm x3650 ram

,

133mhz 512mb sdram memory
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PCF8583T Electronic IC Chips Clock and calendar with 240 x 8-bit RAM

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Product Detail
Model Number :
PCF8583T
Certification :
new & original
Place of Origin :
original factory
MOQ :
10pcs
Price :
Negotiate
Payment Terms :
T/T, Western Union, Paypal
Contact Supplier
PCF8583T Electronic IC Chips Clock and calendar with 240 x 8-bit RAM

ChongMing Group (HK) Int'l Co., Ltd

Active Member
3 Years
shenzhen
Since 2008
Business Type :
Distributor/Wholesaler
Main Products :
Flash Memory IC Chip, Programmable IC Chip, Computer IC Chips
Total Annual :
5000000-7000000
Employee Number :
80~100
Certification Level :
Active Member
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