IS49FL004T Datasheet, PDF (1/45 Pages) Integrated Silicon Solution, Inc – 4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory

4 Mbit 3.3 Volt-only Firmware Hub/LPC Flash Memory
FEATURES
IS49FL004T
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
operations
- Address/Address-Multiplexed (A/A Mux)
interface for programming on EPROM Pro-
grammers during manufacturing
• 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 and Toggle Bit features
• Lower Power Consumption
- Typical 2 mA active read current
- Typical 7 mA program/erase current
• High Product Endurance
- Guarantee 100,000 program/erase cycles per
single sector (preliminary)
- Minimum 20 years data retention
• Compatible Pin-out and Packaging
- 32-pin (8 mm x 14 mm) VSOP
- 32-pin PLCC
• Hardware Data Protection
Integrated Silicon Solution, Inc.- www.issi.com
1
Rev. A1
9/19/2013