TMS29LF008T, TMS29LF008B
1048576 BY 8-BIT
FLASH MEMORIES
SMJS846A – MAY 1997 – REVISED NOVEMBER 1997
Single Power Supply Supports 2.7-V and
3.6-V Read/Write Operation
All Inputs/Outputs TTL-Compatible
Erase Suspend/Resume
Organization . . . 1048576 By 8 Bits
– Supports Reading Data From, or
Programming Data to, a Sector Not
Being Erased
Array Blocking Architecture
– One 16K-Byte Boot Sector
– Two 8K-Byte Parameter Sectors
– One 32K-Byte Sector
Hardware-Reset Pin Initializes the
Internal-State Machine to the Read
Operation
– Fifteen 64K-Byte Sectors
– Any Combination of Sectors Can Be
Erased. Supports Full-Chip Erase
– Any Combination of Sectors Can Be
Marked as Read-Only
40-Pin Thin Small-Outline Package (TSOP)
(DCD Suffix)
Detection Of Program/Erase Operation
– Data Polling and Toggle Bit Feature of
Program/Erase Cycle Completion
– Hardware Method for Detection of
Program/Erase Cycle Completion
Boot-Code Sector Architecture
– T = Top Sector
– B = Bottom Sector
Sector Protection
Through Ready/Busy (RY/BY) Output Pin
– Hardware Protection Method That
Disables Any Combination of Sectors
From Write or Erase Operations Using
Standard Programming Equipment
High-Speed Data Access at 3.3-V V
at Three Temperature Ranges
10%
CC
– 90 ns
– 100 ns
– 120 ns
Commercial . . . 0°C to 70°C
Extended . . . –40°C to 85°C
Automotive . . . –40°C to 125°C
Embedded Program/Erase Algorithms
– Automatically Pre-Programs and Erases
Any Sector
– Automatically Programs and Verifies the
Program Data at Specified Address
PIN NOMENCLATURE
A[0:19]
DQ[0:7]
CE
Address Inputs
Data In/Data out
Chip Enable
JEDEC Standards
OE
Output Enable
– Compatible With JEDEC Byte Pinouts
– Compatible With JEDEC EEPROM
Command Set
NC
No Internal Connection
Reset/Deep Power Down
Ready/Busy Output
Power Supply
RESET
RY/BY
Fully Automated On-Chip Erase and
Program Operations
V
V
CC
Ground
SS
100 000 Program/Erase Cycles
Low Power Dissipation
WE
Write Enable
Low Current Consumption
– 20-mA Typical Active Read for Byte Mode
– 30-mA Typical Program/Erase Current
– Less Than 60-µA Standby Current
– 5 µA in Deep Power-Down Mode
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1997 Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
1
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443