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GTLP16T1655
Extended Electrical Characteristics (GTL)
Over recommended ranges of supply voltage and operating free-air temperature V
REF
= 0.8V (unless otherwise noted).
C
L
= 30 pF for B Port and C
L
= 50 pF for A Port.
Note 20: All typical values are at V
CC
= 3.3V, and T
A
= 25°C.
Note 21: t
OSHL
/t
OSLH
and t
OST
—Output to output skew is defined as the absolute value of the difference between the actual propagation delay for all outputs
within the same packaged device. The specifications are given for specific worst case V
CC
and temperature and apply to any outputs switching in the same
direction either HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
) or in opposite directions both HL and LH (t
OST)
. This parameter is guaranteed by design and
statistical process distribution. Actual skew values between the GTL outputs could vary on the backplane due to the loading and impedance seen by the
device.
Note 22: t
PV
—Part to part skew is defined as the absolute value of the difference between the actual propagation delay for all outputs from device to device.
The parameter is specified for a specific worst case V
CC
and temperature. This parameter is guaranteed by design and statistical process distribution. Actual
skew values between the GTL outputs could vary on the backplane due to the loading and impedance seen by the device.
Note 23: Due to the open drain structure on GTL outputs, t
OST
and t
PV(LH)
in the A-to-B direction are not specified. Skew on these paths is dependent on the
V
TT
and R
T
values on the backplane.
Symbol
From To Min Typ Max Unit
(Input) (Output) (Note 20)
t
OSLH
(Note 21) A B 0.4 1.0 ns
t
OSHL
(Note 21) 0.4 1.0 ns
t
PV(HL)
(Note 22) (Note 23) A B 1.5 ns
t
OSLH
(Note 21) CLKAB B 0.3 0.9 ns
t
OSHL
(Note 21) 0.3 0.6 ns
t
PV(HL)
(Note 22)(Note 23) CLKAB B 1.2 ns
t
OSLH
(Note 21) B A 0.3 1.0 ns
t
OSHL
(Note 21) 0.3 1.0 ns
t
OST
(Note 21) B A 0.6 1.5 ns
t
PV
(Note 22) B A 1.6 ns
t
OSLH
(Note 21) CLKAB A 0.3 0.6 ns
t
OSHL
(Note 21) 0.3 0.6 ns
t
OST
(Note 21) CLKAB A 0.5 1.0 ns
t
PV
(Note 22) CLKAB A 1.1 ns
