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EP7309-CB

EP7309-CB

EP7309-CB

Cirrus Logic Inc.

ARM7TDMI 2.52.5/3.3V Microprocessor EP7 Series EP7309 256-Pin 74MHz 256-LFBGA

SOT-23

EP7309-CB Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Package / Case 256-LFBGA
Surface MountYES
Number of Pins 256
Operating Temperature0°C~70°C TA
PackagingTray
Series EP7
Published 2000
JESD-609 Code e0
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 256
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Position BOTTOM
Terminal FormBALL
Frequency 74MHz
Base Part Number EP7309
Pin Count256
Power Supplies2.52.5/3.3V
RAM Size 48kB
Core Processor ARM7TDMI
Access Time 74 μs
Core Architecture ARM
Consumer IC Type CONSUMER CIRCUIT
Voltage - I/O 2.5V 2.7V 3.0V 3.3V
Number of Cores/Bus Width 1 Core 32-Bit
Graphics AccelerationNo
Additional Interfaces DAI, IrDA, SSI, UART
Number of Cores 1
Security FeaturesHardware ID
Display & Interface ControllersKeypad, LCD, Touchscreen
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:2993 items

EP7309-CB Product Details

EP7309-CB Overview


Due to its 256-LFBGA packaging, it is convenient to ship overseas. High reliability can be achieved by using the advanced packaging method Tray. Cores/Bus width of the CPU is 1 Core 32-Bit . Obtain a basic understanding of operating temperature around 0°C. From the EP7 series. ARM7TDMI is the processor core of this CPU. Featuring DAI, IrDA, SSI, UART interfaces, this microprocessor can better serve you. There is 2.5V 2.7V 3.0V 3.3V I/O running on this CPU. EP7309 is a good way to search for variants of the microprocessor. Total terminations are 256. A 74MHz frequency is used by the CPU. The datasheets for 256 pins provide details. Embedded microprocessor bodies have 256 pins injected into them. It has 1 cores. According to datasheets, the micro processor requires 2.52.5/3.3V power sources. There is 48kB RAM (Random Access Memory) built in.

EP7309-CB Features


ARM7TDMI Core
1-Core CPU
48kB RAM


EP7309-CB Applications


There are a lot of Cirrus Logic Inc.
EP7309-CB Microprocessor applications.


  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens

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