TMS28F200AST datasheet(42/79 Pages) TI

42 / 79 page

TMS28F002Axy, TMS28F200Axy

262144 BY 8-BIT/131072 BY 16-BIT

AUTO-SELECT BOOT-BLOCK FLASH MEMORIES

SMJS826D – JANUARY 1996 – REVISED SEPTEMBER 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

TMS28F002AMy and TMS28F200AMy

The TMS28F002AMy and TMS28F200AMy configurations offer a 3-V or 5-V memory read with a 12-V program

and erase. These configurations are intended for low 3.3-V reads and the fast programming offered with the

12-V VPP and 5-V VCC. The configurations are offered in two different temperature ranges: 0°C to 70°C and

– 40

°C to 85°C.

recommended operating conditions for TMS28F002AMy and TMS28F200AMy

MIN

NOM

MAX

UNIT

VCC

Supply voltage

During write/read/erase/erase suspend

3.3-V VCC range

3.3

3.6

VCC

Supply voltage

During write/read/erase/erase-suspend

5-V VCC range

4.5

5.5

VPP

Supply voltage

During read only ( VPPL )

VPPL

6.5

VPP

Supply voltage

During write/erase/erase-suspend

12-V VPP range

11.4

12.6

33 V VCC range

TTL

VCC + 0.5

VIH

High-level dc input

3.3-V VCC range

CMOS

VCC – 0.2

VCC + 0.2

VIH

voltage

5V VCC range

TTL

VCC + 0.3

5-V VCC range

CMOS

VCC – 0.2

VCC + 0.2

33 V VCC range

TTL

– 0.5

0.8

VIL

Low-level dc input

3.3-V VCC range

CMOS

VSS – 0.2

VSS + 0.2

VIL

voltage

5V VCC range

TTL

– 0.3

0.8

5-V VCC range

CMOS

VSS – 0.2

VSS + 0.2

VLKO

VCC lock-out voltage from write/erase

VHH

RP unlock voltage

11.4

VPPLK VPP lock-out voltage from write/erase

1.5

Operating free air temperature during read/erase/program

L suffix

°C

Operating free-air temperature during read/erase/program

E suffix

– 40

°C

NOTE 7:. Minimum value at TA = 25°C.

word/byte typical write and block-erase performance for TMS28F002AMy and TMS28F200AMy

(see Notes 8 and 9)

12-V VPP RANGE

PARAMETER

3.3-V VCC

RANGE

5-V VCC

RANGE

MIN

TYP

MAX

TYP

MAX

Main block erase time

1.3

1.1

Main block byte-program time

1.6

1.2

4.2

Main block word-program time

0.8

0.6

2.1

Parameter/ boot block-erase time

0.44

0.34

NOTES:

8. Typical values shown are at TA = 25°C and nominal conditions.

9. Excludes system-level overhead (all times in seconds).

TMS28F200AST Datasheet(PDF) 42 Page - Texas Instruments

TMS28F200AST Datasheet(HTML) 42 Page - Texas Instruments

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