TMS320VC549 datasheet(60/111 Pages) TI

60 / 111 page

TMS320C54x, TMS320LC54x, TMS320VC54x

FIXED-POINT DIGITAL SIGNAL PROCESSORS

SPRS039C – FEBRUARY 1996 – REVISED DECEMBER 1999

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

electrical characteristics and operating conditions — ’LC54x, ’VC54x

See Table 1,

Characteristics of the ’54x Processors, for specific device applicability.

absolute maximum ratings over specified temperature range (unless otherwise noted)†

Supply voltage range, VDD‡

–0.3 V to 4.6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage range

–0.3 V to 4.6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output voltage range

–0.3 V to 4.6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating case temperature range, TC

–40

°C to 100°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

–55

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

‡ All voltage values are with respect to VSS.

recommended operating conditions

MIN

NOM

MAX

UNIT

VDD

Device supply voltage

3.3

3.6

VSS

Supply voltage, GND

VIH

High-level input voltage

RS,INTn,NMI,CNT, X2/CLKIN,

CLKMDn, VDD = 3.3"0.3 V

2.5

VDD + 0.3

VIH

High level in ut voltage

All other inputs

VDD + 0.3

VIL

Low-level input voltage

–0.3

0.8

IOH

High-level output current

–300

µA

IOL

Low-level output current

1.5

Operating case temperature

–40

100

°C

Refer to Figure 12 for 3.3-V device test load circuit values.

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