4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
IS49FL004T
4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
FEATURES
SEPTEMBER 2013
• Single Power Supply Operatio...
Description
IS49FL004T
4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
FEATURES
SEPTEMBER 2013
Single Power Supply Operation - Low voltage range: 3.0 V - 3.6 V
Standard Intel Firmware Hub/LPC Interface - Read compatible to Intel® 82802 Firmware Hub
devices - Conforms to Intel LPC Interface Specification
Revision 1.1
Memory Configuration - IS49FL004: 512K x 8 (4 Mbit)
Cost Effective Sector/Block Architecture
- IS49FL004: One hundred and twenty-eight uniform 4 Kbyte sectors, or eight uniform 64 Kbyte blocks (sector group)
Firmware HUB (FWH)/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 and Toggle Bit features - Register-based read and write protection for
each block (FWH mode only) - 4 ID pins for multiple Flash chips selection
(FWH mode only) - 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
Top Boot Block
- IS49FL004: 64 Kbyte top Boot Block
Automatic Erase and Program Operation
- Build-in automatic program verification for extended product endurance
- Typical 25 µs/byte programming time - Typical 50 ms sector/block/chip erase time
Two Configurable Interfaces
- In-System hardware interface: Auto detection of Firmware Hub (FWH) or Low Pin Count (LPC) memory cycle for in-system read and write ope...
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