PI74LPT16952V Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI74LPT16952V Datasheet PDF : 5 Pages
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PI74LPT16952
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Switching Characteristics over Operating Range(1)
Parameters Description
Conditions(2)
LPT16952A
Com.
Min.(3) Max.
tPLH
Propagation Delay
CL = 50 pF 2.0
10.0
tPHL
XCLKAB, XCLKBA to XBX, XAX
RL = 500Ω
tPZH
Output Enable Time
1.5
10.5
tPZL
XOEBA, XOEAB to XAX, XBX
tPHZ
Output Disable Time(4)
1.5
10.0
tPLZ
XOEBA, XOEAB to XAX, XBX
tSU
Set-up Time HIGH or LOW
2.5
—
xAx, xBx to xCLKAB, xCLKBA
tH
Hold Time HIGH or LOW
2.0
—
xAx, xBx to xCLKAB, xCLKBA
tSU
Setup Time HIGH or LOW
3.0
—
xCEAB, xCEBA to
xCLKAB, xCLKBA
tH
Hold Time HIGH or LOW
2.0
—
xCEAB, xCEBA to
xCLKAB, xCLKBA
tW
Pulse Width HIGH(4) or
3.0
—
LOW, xCLKAB or xCLKBA
tSK(o) Output Skew(5)
—
0.5
LPT16952B
Com.
Min.(3) Max.
2.0
7.5
1.5
8.0
1.5
7.5
2.5
—
2.0
—
3.0
—
2.0
—
3.0
—
—
0.5
LPT16952C
Com.
Min.(3) Max.
2.0
6.3
1.5
7.0
1.5
6.5
2.5
—
2.0
—
3.0
—
2.0
—
3.0
—
—
0.5
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes:
1. Propagation Delays and Enable/Disable times are with Vcc = 3.3V ±0.3V,
normal range. For Vcc = 2.7V, extended range, all Propagation Delays and
Enable/Disable times should be degraded by 20%.
2. See test circuit and wave forms.
3. Minimum limits are guaranteed but not tested on Propagation Delays.
4. This parameter is guaranteed but not production tested.
5. Skew between any two outputs, of the same package, switching in the same
direction. This parameter is guaranteed by design.
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(1)
CIN
COUT
Description
Input Capacitance
Output Capacitance
Test Conditions
VIN = 0V
VOUT = 0V
Note:
1. This parameter is determined by device characterization but is not production tested.
Typ.
4.5
5.5
Max.
6
8
Units
pF
pF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5
PS2076A 02/4/97
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