HD74LS373FPEL 查看數據表（PDF） - Renesas Electronics

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HD74LS373FPEL

Octal D-type Transparent Latches (with three-state outputs)

Renesas Electronics 

HD74LS373

Testing Method

Test Circuit

VCC

4.5V

P.G.

Zout = 50Ω

Input

P.G.

Zout = 50Ω

Input

Output

RL Load circuit 1

S1

1Q

5kΩ

OC

S2

CL

1D

Output

2D

2Q

Same as Load Circuit 1.

Output

3D

3Q

Same as Load Circuit 1.

4D

Output

5D

4Q

Same as Load Circuit 1.

Output

6D

5Q

Same as Load Circuit 1.

7D

Output

8D

6Q

Same as Load Circuit 1.

Output

G

7Q

Same as Load Circuit 1.

Output

8Q

Same as Load Circuit 1.

Notes: 1. CL includes probe and jig capacitance.

2. All diodes are 1S2074(H).

Waveforms 1

tTLH

tTHL

90 %

90 %

3V

Data

1.3 V

1.3 V

10 %

10 %

0V

tPLH

tPHL

Q

S1, S2 Closed 1.3 V

VOH

1.3 V

VOL

Note: Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%

Rev.2.00, Feb.18.2005, page 4 of 7

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