PI90LV048A データシートの表示（PDF） - Pericom Semiconductor
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PI90LV048A Datasheet PDF : 7 Pages
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PI90LV048A/PI90LVT048A
3V LVDS Quad Flow-Through
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Switching Characteristics
Over supply voltage and operating temperature ranges, unless otherwise specified.(2,3)
Symbol
Parameter
Conditions
tPHLD
tPLHD
tS K D1
tS K D2
tS K D3
tS K D4
tTLH
tTHL
tPHZ
tPLZ
tPZH
tPZL
fMAX
Differential Propagation Delay High to Low
Differential Propagation Delay Low to High
Differential Pulse Skew, tPHLD – tPLHD (6)
Channel-to-Channel Skew(7)
Differential Part-to-Part Skew(8)
Differential Part-to-Part Skew(9)
Rise Time
Fall Time
Disable Time High to Z
Disable Time Low to Z
Enable Time Z to High
Enable Time Z to Low
Maximum Operating Frequency(14)
CL = 15pF
VID = 200mV
(Figures 1 & 2)
RL = 2 kohms,
CL = 15pF
(Figures 3 & 4)
All Channels switching
Min.
1.2
1.2
0
0
Typ.
Max. Units
2.0
3.2
1.9
3.2
0.1
0.4
0.15
0.5
1.0
1.5
ns
0.5
1.0
0.35
1.0
8
14
8
15
9
14
9
14
250
MHz
Notes
1. “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply
that the devices should be operated at these limits. The table of “Electrical Characteristics” specifies conditions of device operation.
2. Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are
referenced to ground unless otherwise specified.
3. All typicals are given for: VCC = +3.3V, TA = +25°C.
4. Generator waveform for all tests unless otherwise specified: f =1 MHz, ZO =50 ohms, tr and tf (0% to 100%) ≤ 3ns for RIN.
5. The VCMR range is reduced for larger VID. Example: if VID = 400mV, the VCMR is 0.2V to 2.2V. The fail-safe condition with inputs
shorted is not supported over the common-mode range of 0V to 2.4V, but is supported only with inputs shorted and no external common-
mode voltage applied. A VID up to VCC – 0V may be applied to the RIN+ /RIN– inputs with the Common-Mode voltage set to VCC/2.
Propagation delay and Differential Pulse skew decrease when VID is increased from 200mV to 400mV.
Skew specifications apply for 200mV ≤VID ≤800mV over the common-mode range .
6. tSKD1 is the magnitude difference in differential propagation delay time between the positive going edge and the negative going edge of the
same channel
7. tSKD2, Channel-to-Channel Skew is defined as the difference between the propagation delay of one channel and that of the others on the
same chip with any event on the inputs.
8. tSKD3, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification
applies to devices at the same VCC, and within 5°C of each other within the operating temperature range.
9. tSKD4, part to part skew, is the differential channel-to-channel skew of any event between devices. This specification applies
to devices over recommended operating temperature and voltage ranges, and across process distribution. tSKD4 is defined as |Max–Min|
differential propagation delay.
10. ESD Ratings: HBM (1.5 kohms, 100pF) ≥10kV
EIAJ (0 ohm, 200pF) ≥1200V
11. Output short circuit current (IOS) is specified as magnitude only, minus sign indicates direction only. Only one output should be shorted at
a time, do not exceed maximum junction temperature specification.
12. CL includes probe and jig capacitance.
13. VCC is always higher than RIN+ and RIN– voltage. RIN– and RIN+ are allowed to have a voltage range –0.2V to VCC – V ID/2. However, to be
compliant with AC specifications, the common voltage range is 0.1V to 2.3V
14 f MAX generator input conditions: t r = t f <1ns (0% to 100%), 50% duty cycle, differential (1.05V to 1.35V peak to peak).
Output criteria: 60/40% duty cycle, VOL (max 0.4V), VOH (min 2.7V), Load = 15pF (stray plus probes).
3
PS8608A
10/04/04
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