PI74ST1G32T Просмотр технического описания (PDF) - Pericom Semiconductor

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PI74ST1G32T

SOTiny™ Gate ST 2-Input OR

Pericom Semiconductor 

PI74ST1G32

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AC Electrical Characteristics

Symbol

Parameter

VCC (V) Conditions

tPLH,

tPHL

tPLH,

tPHL

CIN

CPD

Propagation Delay

Propagation Delay

Input Capacitance

Power Dissipation

Capacitance

1.8

2.5 ±0.2

3.3 ±0.3

3.3 ±0.3

VIN = 0

CL = 15pF,

RL = 1MΩ

CL = 50pF,

RL = 500Ω

3.3

Note 3

TA = +25°C

Min.

2.0

0.8

0.5

Typ. Max.

3.0

3.9

1.8 2.5

1.2 1.8

1.5

2.8

3.8

4

20

TA = –40°C to

+85°C

Min. Max.

2.0

4.5

0.8

2.7

0.5

2.0

1.5

4.1

Units Fig. No.

1

3

ns

1

3

pF

2

Notes:

3. CPD is defined as the value of the internal equivalent capacitance which is derived from dynamic operating current consumption

(ICCD) at no output loading and operating at 50% duty cycle (see Figure 2). CPD is related to ICCD dynamic operating current by

the expression: ICCD = (CPD)(VCC)(fIN) + (ICC static).

AC Loading and Waveforms

VCC

Input

Output

CL

RL

CL includes load and stray capacitance

Input PRR = 1.0 MHz; tW = 500ns

Figure 1. AC Test Circuit

VCC

A

Input

Input

10%

tr = 3ns

90% 90%

tf = 3ns

VCC

50%

50%

tW

tPLH

10%

tPHL

GND

VOH

Output

50%

50%

VOL

Figure 3. AC Waveforms

Input = AC Waveform; tr = tf = 1.8ns;

PRR = 10 MHz; Duty Cycle = 50%

Figure 2. ICCD Test Circuit

3

PS8518C 08/08/01

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