4
PS8422B 09/15/04
PI90LV031A / PI90LV027A / PI90LV017A
3V LVDS High-Speed Differential Line Drivers
Switching Characteristics
V
CC
= +3.3V ±10%, T
A
= -40°C to +85°C (Notes 3,9,11)
lobmySretemaraPsnoitidnoC.niM.pyT.xaMstinU
t
PHLD
woLothgiHyaleDnoitagaporPlaitnereffiD
R
L
001= Ω,
C
L
Fp01=
)3&2serugiF(
8.081.10.2
sn
t
PLHD
hgiHotwoLyaleDnoitagaporPlaitnereffiD 8.052.10.2
t
SKD
1wekSesluPlaitnereffiD It
PHLD
t-
PLHD
I
)5(
070.04.0
t
SKD
2wekSlennahC-ot-lennahC
)6(
01.05.0
t
SKD
3wekStraP-ot-traPlaitnereffiD
)7(
00.1
t
SKD
4wekStraP-ot-traPlaitnereffiD
)8(
02.1
t
TLH
emiTesiR 83.05.1
t
THL
emiTllaF 04.05.1
t
PHZ
ZothgiHemiTelbasiD
R
L
001= Ω,
C
L
Fp01=
)5&4serugiF(
5
t
PLZ
ZotwoLemiTelbasiD 5
t
PZH
hgiHotZemiTelbanE 7
t
PZL
woLotZemiTelbanE 7
t
MAX
ycneuqerFgnitarepOmumixaM
)31(
002052zHM
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 except:
V
OD1
and ∆V
OD1
.
3. All typicals are given for: V
CC
= +3.3V, T
A
= +25°C.
4. The PI90LV031A/PI90LV027A/PI90LV017A are current mode devices and only functions within datasheet specifications when a resistive
load is applied to the driver outputs typical range is (90Ω to 110Ω).
5. t
SKD1, ItPHLD - tPLHDI is the magnitude difference in differential propagation delay time between the positive going edge and the negative
going edge of the same channel.
6. t
SKD2 is the Differential Channel-to-Channel Skew of any event on the same device.
7. t
SKD3, Differential Part-to-Part Skew, is defined as the difference between the minimum and maximum specified differential propagation
delays. This specification applies to devices at the same Vcc and with 5°C of each other within the operating temperature range.
8. t
SKD4, 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. t
SKD4 is defined as
IMax - MinI differential propagation delay.
9. Generator waveform for all tests unless otherwise specified: f = 1 MHz, Z
O = 50Ω, tr ≤ 1ns, and t
f
≤ 1ns.
10. Output short circuit current (I
OS
) is specified as magnitude only, minus sign indicates direction only.
11. C
L
includes probe and jig capacitance.
12. All input voltages are for one channel unless otherwise specified. Other inputs are set to GND.
13. f
MAX generator input conditions: t
R
= t
F
< 1ns, (0% to 100%), 50% duty cycle, 0V to 3V.
Output Criteria: duty cycle = 45%/55%, V
OD
> 250mV, all channels switching.
