PI74ST1G08TX Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI74ST1G08TX Datasheet PDF : 5 Pages
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PI74ST1G08
SOTiny™ Gate ST 2-Input
AC Electrical Characteristics
Symbol
Parameter
VCC(V)
tPLH
tPHL
Propagation Delay
tPLH
tPHL
Propagation Delay
CIN Input Capacitance
CPD
Power Dissipation
Capacitance
1.8
2.5±0.2
3.3±0.3
3.3±0.3
VIN = 0
3.3
Conditions
CL = 15pF,
RL = 1MΩ
CL = 50pF,
RL = 500Ω
Note 3
TA = +25ºC
TA = -40º C to +85ºC Units
Min. Typ. Max. Min.
Max
Fig.
No.
2.2 3.0 4.0
2.0
0.8 1.9 2.6
0.8
0.5 1.3 2.0
0.5
1.5 2.9 3.8
1.5
4.4
2.8
2.2
1
3
ns
4.2
1
3
4
pF
20
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
PS8517E
07/07/04
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