5962-9680101QCX

更新时间： 2024-02-26 03:15:00

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德州仪器 - TI		栅极
页数	文件大小	规格书
21页	957K
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5962-9680101QCX 数据手册

SN54AHCT14, SN74AHCT14

HEX SCHMITT-TRIGGER INVERTERS

SCLS246P − OCTOBER 1995 − REVISED JULY 2003

PARAMETER MEASUREMENT INFORMATION

Open

GND

R = 1 kΩ

TEST

From Output

Under Test

Test

Point

From Output

Under Test

Open

PLH PHL

PLZ PZL

(see Note A)

GND

PHZ PZH

Open Drain

LOAD CIRCUIT FOR

TOTEM-POLE OUTPUTS

3-STATE AND OPEN-DRAIN OUTPUTS

3 V

0 V

1.5 V

Timing Input

3 V

0 V

1.5 V

Input

1.5 V

Data Input

0 V

VOLTAGE WAVEFORMS

PULSE DURATION

VOLTAGE WAVEFORMS

SETUP AND HOLD TIMES

3 V

0 V

3 V

Output

Control

1.5 V

0 V

PZL

PLZ

PLH

PHL

Output

Waveform 1

≈V

In-Phase

Output

50% V

S1 at V

+ 0.3 V

(see Note B)

PHL

PLH

PZH

PHZ

Output

Waveform 2

S1 at GND

Out-of-Phase

Output

− 0.3 V

50% V

≈0 V

(see Note B)

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

INVERTING AND NONINVERTING OUTPUTS

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

LOW- AND HIGH-LEVEL ENABLING

NOTES: A. C includes probe and jig capacitance.

B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.

Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.

C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, Z = 50 Ω, t ≤ 3 ns, t ≤ 3 ns.

D. The outputs are measured one at a time with one input transition per measurement.

E. All parameters and waveforms are not applicable to all devices.

Figure 1. Load Circuit and Voltage Waveforms

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

1 2 345 6 7...21

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