954218BGLF - Brand New Littelfuse Clock / Timing - Application Specific
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SUMMARY DESCRIPTION
The PSD8XXFX family of memory systems for microcontrollers (MCUs) brings In- System-Programmability (ISP) to Flash memory and programmable logic. The result is a simple and flexible solution for embedded designs. PSD devices combine many of the peripheral functions found in MCU based applications.
FEATURES SUMMARY
■ FLASH IN-SYSTEM PROGRAMMABLE (ISP) PERIPHERAL FOR 8-BIT MCUS
■ DUAL BANK FLASH MEMORIES
– UP TO 2 Mbit OF PRIMARY FLASH MEMORY (8 Uniform Sectors, 32K x8)
– UP TO 256 Kbit SECONDARY FLASH MEMORY (4 Uniform Sectors)
– Concurrent operation: READ from one memory while erasing and writing the other
■ UP TO 256 Kbit BATTERY-BACKED SRAM
■ 27 RECONFIGURABLE I/O PORTS
■ ENHANCED JTAG SERIAL PORT
■ PLD WITH MACROCELLS
– Over 3000 Gates of PLD: CPLD and DPLD
– CPLD with 16 Output Macrocells (OMCs) and 24 Input Macrocells (IMCs)
– DPLD - user defined internal chip select decoding
■ 27 INDIVIDUALLY CONFIGURABLE I/O PORT PINS
The can be used for the following functions:
– MCU I/Os
– PLD I/Os
– Latched MCU address output
– Special function I/Os.
– 16 of the I/O ports may be configured as open-drain outputs.
■ IN-SYSTEM PROGRAMMING (ISP) WITH JTAG
– Built-in JTAG compliant serial port allows full-chip In-System Programmability
– Efficient manufacturing allow easy product testing and programming
– Use low cost FlashLINK cable with PC
■ PAGE REGISTER
– Internal page register that can be used to expand the microcontroller address space by a factor of 256
■ PROGRAMMABLE POWER MANAGEMENT Figure 1. Packages
■ HIGH ENDURANCE:
– 100,000 Erase/WRITE Cycles of Flash Memory
– 1,000 Erase/WRITE Cycles of PLD
– 15 Year Data Retention
■ 5V±10% SINGLE SUPPLY VOLTAGE
■ STANDBY CURRENT AS LOW AS 50µA -
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download 954218BGLF
- Chipdatas Part: CD91-954218BGLF
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/12 09:50 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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