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SST89C54, SST89C54-33-C, SST89C5433-C-NJ

Table of contents:
Info of SST89C54
Info of SST89C54-33-C
Info of SST89C5433-C-NJ

SST89C54, SST89C54-33-C, SST89C5433-C-NJ Selling Leads, Datasheet

MFG:SST Package Cooled:DIP-40 D/C:08+

SST89C54, SST89C54-33-C, SST89C5433-C-NJ Picture

SST89C54, SST89C54-33-C, SST89C5433-C-NJ Datasheet download

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Part Number: SST89C54

MFG: SST

Package Cooled: DIP-40

D/C: 08+

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SST89C54 General Description

SST89C54 and SST89C58 are members of the FlashFlex51 family of 8-bit microcontrollers. The FlashFlex51 family is a family of embedded microcontroller products designed and manufactured on the state-of-the-art SuperFlash CMOS semiconductor process technology.As a member of the FlashFlex51 controller family, the SST89C54/58 uses the same powerful instruction set,has the same architecture, and is pin-for-pin compatible with standard 8xC5x microcontroller devices.SST89C54/58 comes with 20/36 KByte of integrated on-chip flash EEPROM program memory using the patented and proprietary Silicon Storage Technology, Inc. (SST) CMOS SuperFlash EEPROM technology with the SST field enhancing tunneling injector split-gate memory cells.

The SuperFlash memory is partitioned into 2 independent program memory blocks. The primary SuperFlash Block 0 occupies 16/32 KByte of internal program memory space and the secondary SuperFlash Block 1 occupies 4 KByte of SST89C54/58's internal program memory space. The 4 KByte secondary SuperFlash block can be mapped to the highest or lowest location of the 64 KByte address space; it can also be hidden from the program counter and used as an independent EEPROM-like data memory. The flash memory blocks can be programmed via a standard 87C5x OTP EPROM programmer fitted with a special adapter and firmware for SST89C54/58 devices. During the power-on reset, the SST89C54/58 can be configured as a master for source code storage or as a slave to an external host for In-Application Programming (IAP) operation. SST89C54/58 is designed to be programmed "In-System" and "In-Application" on the printed circuit board for maximum flexibility.

The device is pre-programmed with a sample bootstrap loader in the memory (see Note 1), demonstrating the initial user program code loading or subsequent user code updating via the "IAP" operation.In addition to 20/36 KByte of SuperFlash EEPROM program memory on-chip, the SST89C54/58 can address up to 64 KByte of program memory external to the chip. The SST89C54/58 have 256 x 8 bits of on-chip RAM. Up to 64 KByte of external data memory (RAM) can be addressed.The highly reliable, patented SuperFlash technology and memory cell architecture have a number of important advantages for designing and manufacturing flash EEPROMs, when compared with other approaches.These advantages translate into significant cost and reliability benefits for our customers.

SST89C54 Maximum Ratings

Ambient Temperature Under Bias ................................................................................................... -55°C to +125°C
Storage Temperature ..................................................................................................................... -65°C to + 150°C
Voltage on EA# Pin to V_SS ................................................................................................................-0.5V to +14.0V
Transient Voltage (<20ns) on Any Other Pin to V_SS ........................................................................... -1.0V to +6.5V
Maximum IOL per I/O Pins P1.5, P1.6, P1.7 ...................................................................................................... 20mA
Maximum IOL per I/O for All Other Pins............................................................................................................. 15mA
Package Power Dissipation Capability (TA = 25°C) ........................................................................................... 1.5W
Through Hole Lead Soldering Temperature (10 Seconds) .............................................................................. 300°C
Surface Mount Lead Soldering Temperature (3 Seconds) ............................................................................... 240°C
Output Short Circuit Current.............................................................................................................................50mA

SST89C54 Features

• Multi-Purpose 8-bit 8051 Family Compatible Microcontroller Unit (MCU) with Embedded SuperFlash Memory
• Fully Software and Development Toolset Compatible as well as Pin-For-Pin Package Compatible with Standard 8xC5x Microcontrollers
• 256 Bytes Register/Data RAM
• 20/36 KByte Embedded High Performance Flexible SuperFlash EEPROM
   One 16/32 KByte block (128-Byte sector size)
   One 4 KByte block (64-Byte sector size)
   Individual Block Security Lock with Softlock™ feature
   87C5x Programmer Compatible
   Concurrent Operation during In-Application Programming™(IAP™)
   Memory Re-Mapping for Interrupt Support during IAP
• Support External Address Range up to 64 KByte of Program and Data Memory
• High Current Drive on Port 1 (5, 6, 7) pins
• Three 16-bit Timer/Counter
• Programmable Serial Port (UART)
• Six Interrupt Sources at 2 Priority Levels
• Selectable Watchdog Timer (WDT)
• Four 8-bit I/O Ports (32 I/O Pins)
• TTL- and CMOS-Compatible Logic Levels
• Extended Power-Saving Modes
   Idle Mode
   Power Down Mode with External Interrupt Wake-up
   Standby (Stop Clock) Mode
• High Speed Operation at 5 Volts (0 to 33MHz)
• Low Voltage (2.7V) Operation (0 to 12MHz)
• PDIP-40, PLCC-44 and TQFP-44 Packages
• Temperature Ranges:
   Commercial (0°C to +70°C)
   Industrial (-40°C to +85°C)

SST89C54 Connection Diagram

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