UT54ACS164245SCC 查看數據表（PDF） - Aeroflex Corporation

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UT54ACS164245SCC

RadHard Schmitt CMOS 16-bit Bidirectional MultiPurpose Transceiver

Aeroflex Corporation 

AC ELECTRICAL CHARACTERISTICS1 (Port A = Port B, 3.3 Volt Operation)

(VDD1 = 3.00V to 3.6V; VDD2 = 3.00V to 3.6V, -55°C < TC < +125°C)

SYMBOL

PARAMETER

MINIMUM

tPLH

Propagation delay Data to Bus

1

tPHL Propagation delay Data to Bus

1

tPZL Output enable time OEx to Bus

1

tPZH

Output enable time OEx to Bus

1

tPLZ

Output disable time OEx to Bus high impedance

1

tPHZ Output disable time OEx to Bus high impedance

1

tPZL2 Output enable time DIRx to Bus

1

tPZ

2

H

Output enable time DIRx to Bus

1

tPLZ2 Output disable time DIRx to Bus high impedance

1

tPH

2

Z

Output disable time DIRx to Bus high impedance

1

Notes:

1. All specifications valid for radiation dose ≤ 1E5 rad(Si) per MIL-STD-883, Method 1019 .

2. DIRx to bus times are guaranteed by design, but not tested. OEx to bus times are tested.

Propagation Delay

Input

tPLH

tPHL

Output

MAXIMUM

20

20

18

18

20

20

18

18

20

20

UNIT

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

VDD

VDD/2

0V

VOH

VDD/2

VOL

Enable Disable Times

Control Input

tPZL

3.3V Output

Normally Low

3.3V Output

tPZH

Normally High

VDD/2-0.2

VDD/2+0.2

tPLZ

.2VDD + .2V

tPHZ

.7VDD - .2V

VDD

VDD/2

0V

VDD/2

.2VDD

.7VDD

VDD/2

10

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