49LF040B-33-4C-NHE - Brand New SST IC Chips
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GENERAL DESCRIPTION
The A49LF040 flash memory device is designed to be readcompatible with the Intel Low Pin Count (LPC) Interface Specification 1.1. This device is designed to use a single low voltage, range from 3.0 Volt to 3.6 Volt power supply to perform in-system or off-system read and write operations. It provides protection for the storage and update of code and data in addition to adding system design flexibility through five general-purpose inputs. Two interface modes are supported by the A49LF040: Low Pin Count (LPC) Interface mode for In-System programming and Address/Address Multiplexed (A/A Mux) mode for fast factory programming of PC-BIOS applications.
FEATURES
• Single Power Supply Operation
- Low voltage range: 3.0 V - 3.6 V for Read and Write Operations
• Standard Intel Low Pin Count Interface
- Read compatible to Intel® Low Pin Count (LPC) interface
• Memory Configuration
- 512K x 8 (4 Mbit)
• Block Architecture
- 4Mbit: eight uniform 64KByte blocks
- Supports full chip erase for Address/Address Multiplexed (A/A Mux) mode
• Automatic Erase and Program Operation
- Embedded Byte Program and Block/Chip Erase algorithms
- Typical 10 µs/byte programming time
- Typical 1s block erase time
• Two Operational Modes
- Low Pin Count Interface (LPC) Mode for in-system operation
- Address/Address Multiplexed (A/A Mux) Interface Mode for programming equipment
• Low Pin Count (LPC) Mode
- 33 MHz synchronous operation with PCI bus
- 5-signal communication interface for in-system read and write operations
- Standard SDP Command Set
- Data# Polling (I/O7) and Toggle Bit (I/O6) features
- 4 ID pins for multi-chip selection
- 5 GPI pins for General Purpose Input Register
- TBL# pin for hardware write protection to Boot Block
- WP# pin for hardware write protection to whole memory array except Boot Block
• Address/Address Multiplexed (A/A Mux) Mode
- 11-pin multiplexed address and 8-pin data I/O interface
- Supports fast programming on EPROM programmers
- Standard SDP Command Set
- Data# Polling (I/O7) and Toggle Bit (I/O6) features
• Lower Power Consumption
- Typical 12mA active read current
- Typical 24mA program/erase current
• High Product Endurance
- Guarantee 100,000 program/erase cycles for each block
- Minimum 20 years data retention
• Compatible Pin-out and Packaging
- 32-pin (8 mm x 14 mm) TSOP (TYPE I)
- 32-pin PLCC -
Similar parts: 430483 , Click to view
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Datasheet
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- Datasheet: Download 49LF040B-33-4C-NHE
- Chipdatas Part: CD92-49LF040B-33-4C-NHE
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 21:30 +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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