SN74ALVC7804DL datasheet(6/11 Pages) TI

Il numero della parte	SN74ALVC7804DL

Spiegazioni elettronici	512 횞 18 FIRST-IN, FIRST-OUT MEMORY

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Produttore elettronici	TI [Texas Instruments]

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SN74ALVC7804

512

× 18

FIRST-IN, FIRST-OUT MEMORY

SCAS432 – JANUARY 1995

6

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†

Supply voltage range, VCC

– 0.5 V to 4.6 V

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

Input voltage range, VI (see Note 1)

–0.5 V to 4.6 V

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

Output voltage range, VO (see Notes 1 and 2)

–0.5 V to VCC + 0.5 V

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

Input clamp current, IIK (VI < 0)

*50 mA

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

Output clamp current, IOK (VO < 0 or VO > VCC)

"50 mA

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

Continuous output current, IO (VO = 0 to VCC)

"50 mA

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

Continuous current through VCC or GND

"100 mA

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

Voltage applied to a disabled 3-state output

3.6 V

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

Operating free-air temperature range, TA

0

°C to 70°C

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

Storage temperature range

– 65

°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.

NOTES:

1. The input and output voltage ratings can be exceeded if the input and output clamp current ratings are observed.

2. This value is limited to 4.6 V maximum.

recommended operating conditions

′ALVC7804-25

VCC = 3.3 V " 0.3 V

′ALVC7804-40

VCC = 3.3 V " 0.3 V

UNIT

MIN

MAX

MIN

MAX

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

VI

0

VCC

0

VCC

V

VO

0

VCC

0

VCC

V

IOH

High-level output current,

VCC =3V

8

mA

IOH

g,

Q outputs, Flags

VCC = 3 V

– 8

mA

IOL

Low-level output current,

VCC =3V

16

mA

IOL

,

Q outputs, Flags

VCC = 3 V

16

mA

fclock

Clock frequency

40

25

MHz

D0 – D17 high or low

8

12

LDCK high or low

8

12

tw

Pulse duration

UNCK high or low

8

12

ns

PEN low

8

12

RESET low

10

12

D0 – D17 before LDCK

↑

5

tsu

Setup time

LDCK inactive before RESET high

6

ns

PEN before LDCK

↑

8

D0 – D17 after LDCK

↑

0

th

Hold time

PEN high after LDCK low

0

ns

th

Hold time

PEN low after LDCK

↑

3

ns

LDCK inactive after RESET high

6

TA

Operating free-air temperature

0

70

0

70

°C

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