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Description
The 49LF003B-33-4C-NH is an electronic component model belonging to the IC Chips product category. It is a flash memory device designed to interface with host controllers that support a low pin-count (LPC) interface for BIOS applications. The device complies with Intel's LPC Interface Specification 1.1 and supports single-byte Firmware Memory and LPC Memory cycle types. It is backward compatible with the SST49LF00xA Firmware Hub and the SST49LF0x0A LPC Flash.
Specifications and features
- Memory Capacity Options:
- SST49LF002B: 256K x8 (2 Mbit)
- SST49LF003B: 384K x8 (3 Mbit)
- SST49LF004B: 512K x8 (4 Mbit)
- Conforms to Intel LPC Interface Specification 1.1
- Flexible Erase Capability:
- Uniform 4 KByte sectors
- Uniform 16 KByte overlay blocks for SST49LF002B
- Uniform 64 KByte overlay blocks for SST49LF003B/004B
- Chip-Erase for PP Mode Only
- Single 3.0-3.6V Read and Write Operations
- Superior Reliability:
- Endurance: 100,000 Cycles (typical)
- Data Retention: Greater than 100 years
- Low Power Consumption:
- Active Read Current: 6 mA (typical)
- Standby Current: 10 µA (typical)
- Fast Sector-Erase/Byte-Program Operation:
- Sector-Erase Time: 18 ms (typical)
- Block-Erase Time: 18 ms (typical)
- Chip-Erase Time: 70 ms (typical)
- Byte-Program Time: 14 µs (typical)
- SST49LF002B Rewrite Time: 4 seconds (typical)
- SST49LF003B Rewrite Time: 6 seconds (typical)
- SST49LF004B Rewrite Time: 8 seconds (typical)
- Single-pulse Program or Erase
- Internal timing generation
- Two Operational Modes:
- Low Pin Count (LPC) interface mode for in-system operation
- Parallel Programming (PP) mode for fast production programming
- LPC Interface Mode:
- LPC bus interface supporting byte Read and Write
- 33 MHz clock frequency operation
- WP# and TBL# pins provide hardware write protect for entire chip and/or top Boot Block
- Block Locking Registers for individual block Write-Lock and Lock-Down protection
- JEDEC Standard SDP Command Set
- Data# Polling and ToggleBit for End-of-Write detection
- 5 GPI pins for system design flexibility
- 4 ID pins for multi-chip selection
- Parallel Programming (PP) Mode:
- 11-pin multiplexed address and 8-pin data I/O interface
- Supports fast In-System or PROM programming for manufacturing
- CMOS and PCI I/O Compatibility
- Packages Available:
- 32-lead PLCC for all devices
- 40-lead TSOP (10mm x 20mm) for SST49LF004B only
- All non-Pb (lead-free) devices are RoHS compliant
Application Scenarios
The 49LF003B-33-4C-NH electronic component model is commonly used in systems that require low pin-count (LPC) interface for BIOS applications. Its memory capacity options and fast operation make it suitable for code and data storage in various electronic devices such as computers, embedded systems, and consumer electronics.
Comparison
Advantages- Conforms to Intel LPC Interface Specification 1.1
- Superior reliability with high endurance and long data retention
- Low power consumption
- Fast sector-erase and byte-program operation
- Two operational modes for flexibility
- CMOS and PCI I/O compatibility
- Available in different packages
- RoHS compliant
Disadvantages- Chip-erase only available in Parallel Programming (PP) mode
- Memory Capacity Options:
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Similar parts: 430483 , Click to view
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Datasheet
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- Datasheet: Download 49LF003B-33-4C-NH
- Chipdatas Part: CD91-49LF003B-33-4C-NH
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/14 05:55 +0800
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