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SST49LF016C Datasheet Preview

SST49LF016C Datasheet

16 Mbit LPC Serial Flash

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SST49LF016C pdf
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16 Mbit LPC Serial Flash
SST49LF016C
FEATURES:
016C16Mb LPC Firmware Flash
Data Sheet
• Operational Clock Frequency
– 33 MHz
– 66 MHz
• Organized as 2M x8
• Conforms to LPC Interface Specification v1.1
– Support Multi-Byte Firmware Memory Read/
Write Cycles
• Single 3.0-3.6V Read and Write Operations
• LPC Mode
– 5-signal LPC bus interface for both in-system
and factory programming using programmer
equipment
– Multi-Byte Read data transfer rate
15.6 MB/s @ 33 MHz PCI clock and
31.2 MB/s @ 66 MHz clock
- Firmware Memory Read cycle supporting
1, 2, 4, 16, and 128 Byte Read
- Firmware Memory Write cycle supporting
1, 2, and 4 Byte Write
– 33 MHz/66 MHz clock frequency operation
– WP#/AAI and TBL# pins provide hardware Write
protect for entire chip and/or top Boot Block
– Block Locking Registers for individual block Read-
Lock, Write-Lock, and Lock-Down protection
– 5 GPI pins for system design flexibility
– 4 ID pins for multi-chip selection
– Multi-Byte capability registers
(read-only registers)
– Status register for End-of-Write detection
– Program-/Erase-Suspend
Read or Write to other blocks during
Program-/Erase-Suspend
• Two-cycle Command Set
• Security ID Feature
– 256-bit Secure ID space
- 64-bit Unique Factory Pre-programmed
Device Identifier
- 192-bit User-Programmable OTP
• Superior Reliability
– Endurance: 100,000 Cycles (typical)
– Greater than 100 years Data Retention
• Low Power Consumption
– Active Read Current: 12 mA (typical)
– Standby Current: 10 µA (typical)
• Uniform 4 KByte sectors
– 35 Overlay Blocks: one 16-KByte Boot Block,
two 8-KByte Parameter Blocks, one 32-Kbyte
Parameter Block, thirty-one 64-KByte Main
Blocks.
• Fast Sector-Erase/Program Operation
– Sector-Erase Time: 18 ms (typical)
– Block-Erase Time: 18 ms (typical)
– Program Time: 7 µs (typical)
• Auto Address Increment (AAI) for Rapid Factory
Programming (High Voltage Enabled)
– RY/BY# pin for End-of-Write detection
– Multi-Byte Program
– Chip Rewrite Time: 4 seconds (typical)
• Packages Available
– 32-lead PLCC
– 32-lead TSOP (8mm x 14mm)
• All non-Pb (lead-free) devices are RoHS compliant
PRODUCT DESCRIPTION
The SST49LF016C flash memory device is designed to
interface with host controllers (chipsets) that support a low-
pin-count (LPC) interface for system firmware applications.
Complying with LPC Interface Specification 1.1,
SST49LF016C supports a Burst-Read data transfer of
15.6 MBytes per second at 33 MHz clock speed and 31.2
MBytes per second at 66 MHz clock speed, up to 128
bytes in a single operation.
The LPC interface operates with 5 signal pins versus 28
pins of a 8-bit parallel flash memory. This frees up pins on
the ASIC host controller resulting in lower ASIC costs and a
reduction in overall system costs due to simplified signal
routing. This 5-signal LPC interface supports both in-sys-
tem and rapid factory programming using programmer
equipment. A high voltage pin (WP#/AAI) enables Auto
Address Increment (AAI) mode.
Via the software registers, the SST49LF016C offers hard-
ware block protection and individual block protection for crit-
ical system code and data. The 256-bit Security ID space is
comprised of a 64-bit factory pre-programmed unique
number and a 192-bit One-Time-Programmable (OTP)
area. This Security ID permits the use of new security tech-
niques and implementation of a new data protection
scheme. To protect against inadvertent write, the
SST49LF016C device has on-chip hardware and software
write protection schemes. The SST49LF016C also pro-
vides general purpose inputs (GPI) for system design flexi-
bility.
Manufactured with SST proprietary, high-performance
SuperFlash technology, SST49LF016C has a split-gate cell
design and thick-oxide tunneling injector for greater reliabil-
ity and manufacturability compared with alternative technol-
ogy approaches.
©2006 Silicon Storage Technology, Inc.
S71237-07-000
9/06
1
The SST logo and SuperFlash are registered Trademarks of Silicon Storage Technology, Inc.
These specifications are subject to change without notice.



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SST

SST49LF016C Datasheet Preview

SST49LF016C Datasheet

16 Mbit LPC Serial Flash

No Preview Available !

SST49LF016C pdf
Data Sheet
The SST49LF016C significantly improves performance
and reliability, while lowering power consumption. The total
energy consumed is a function of the applied voltage, cur-
rent and time of application. Because the SST49LF016C
writes in-system with a single 3.0-3.6V power supply, the
total energy consumed during any Erase or Program oper-
ation is less than alternative flash memory technologies.
The SuperFlash technology provides fixed Erase and Pro-
gram time, independent of the number of Erase/Program
cycles performed. This feature eliminates system software
or hardware calibration or erase cycle correlation which is
16 Mbit LPC Serial Flash
SST49LF016C
necessary with alternative flash memory technologies,
whose Erase and Program time increase with accumulated
Erase/Program cycles.
The SST49LF016C product provides a maximum program
time of 10 µs per byte with a single-byte Program opera-
tion; effectively 5 µs per byte with a dual-byte Program
operation and 2.5 µs per byte with a quad-byte Program
operation.
The SST49LF016C is offered in 32-PLCC and 32-TSOP
packages. See Figures 3 and 4 for pin assignments and
Table 1 for pin descriptions.
©2006 Silicon Storage Technology, Inc.
2
S71237-07-000
9/06


Part Number SST49LF016C
Description 16 Mbit LPC Serial Flash
Maker SST
Total Page 30 Pages
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