SN74GTL2003PW datasheet(9/25 Pages) TI1

部品番号	SN74GTL2003PW

部品情報	8-Bit Bidirectional Low-Voltage Translator

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SN74GTL2003

www.ti.com

SCDS305B – FEBRUARY 2011 – REVISED JUNE 2015

8.4 Device Functional Modes

Table 2. High to Low Translation

(Assuming Dn is at the Higher Voltage Level)(1)

INPUTS

OUTPUT

GREF

(2)

DREF

SREF

TRANSISTOR

D8–D1

S8–S1

H

0 V

X

Off

H

VTT

(3)

H

VTT

(4)

On

H

VTT

L

L(5)

On

L

0 – VTT

X

Off

(1)

H = HIGH voltage level, L = LOW voltage level, X = don't care.

(2)

GREF should be at least 1.5 V higher than SREF for best translator operation.

(3)

VTT is equal to the SREF voltage.

(4)

Sn is not pulled up or pulled down.

(5)

Sn follows the Dn input LOW.

Table 3. Low to High Translation

(Assuming Dn is at the Higher Voltage Level)(1)

INPUTS

OUTPUT

GREF(2)

DREF

SREF

TRANSISTOR

D8–D1

S8–S1

H

0 V

X

Off

H

VTT

(3)

VTT

H(4)

Nearly Off

H

VTT

L

L(5)

On

L

0 – VTT

X

Off

(1)

H = HIGH voltage level, L = LOW voltage level, X = don't care.

(2)

GREF should be at least 1.5 V higher than SREF for best translator operation.

(3)

VTT is equal to the SREF voltage.

(4)

Dn is pulled up to VCC through an external resistor.

(5)

Dn follows the Sn input LOW.

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同様の部品番号 - SN74GTL2003PW

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Texas Instruments	SN74GTL2003PW	652Kb / 20P	[Old version datasheet] 8-BIT BIDIRECTIONAL LOW-VOLTAGE TRANSLATOR
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同様の説明 - SN74GTL2003PW

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Texas Instruments	SN74GTL2003	652Kb / 20P	[Old version datasheet] 8-BIT BIDIRECTIONAL LOW-VOLTAGE TRANSLATOR
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