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(1)
tRSKM is the timing margin available to allocate to the transmitter and interconnection skews and clock jitter. It is defined by
tc
14
–ts h.
ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
SLLS298F – MAY 1998 – REVISED JANUARY 2006
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
VIT+
Positive-going differential input voltage threshold
100
mV
Negative-going differential input voltage
VIT-
-100
threshold(2)
VOH
High-level output voltage
IOH = -4 mA
2.4
V
VOL
Low-level output voltage
IOL = 4 mA
0.4
V
Disabled, all inputs open
280
A
Enabled, AnP at 1 V and AnM at 1.4
V,
62
84
mA
ICC
Quiescent current (average)
tc = 15.38 ns
Enabled, CL = 8 pF (5 places),
107
mA
tc = 15.38 ns
IIH
High-level input current (SHTDN)
VIH = VCC
±20
A
IIL
Low-level input current (SHTDN)
VIL = 0 V
±20
A
IIN
Input current (A and CLKIN inputs)
0 V
≤ V
I≤ 2.4 V
±20
A
IOZ
High-impedance output current
VO = 0 V or VCC
±10
A
(1)
All typical values are VCC = 3.3 V, TA = 25°C.
(2)
The algebraic convention, in which the less-positive (more-negative) limit is designated minimum, is used in this data sheet for the
negative-going input voltage threshold only.
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX
UNIT
Data setup time, D0 through D27 to
tsu
4
6
CLKOUT
CL = 8 pF
ns
Data hold time, CLKOUT to D0 through
th
4
6
D27
TA = 0°C to 85°C
490
800
Receiver input skew margin(1), see
tc = 15.38 ns (±0.2%),
tRSKM
ps
|Input clock jitter| <50 ps(2)
TA = -40°C to 0°C
390
Delay time, input clock to output clock, see
td
tc = 15.38 ns (±0.2%)
3.7
ns
tc = 15.38 + 0.75 sin (2π500E3t)±0.05 ns,
±80
Change in output clock period from cycle to
t
C(O)
ps
cycle(3)
tc = 15.38 + 0.75 sin (2≠3E6t) ±0.05 ns,
±300
ten
Enable time, SHTDN to phase lock
1
ms
tdis
Disable time, SHTDN to Off state
400
ns
tt
Output transition time (tr or tf)
CL = 8 pF
3
ns
tw
Output clock pulse duration
0.43 tc
ns
(2)
|Input clock jitter| is the magnitude of the change in the input clock period.
(3)
t
C(O) is the change in the output clock period from one cycle to the next cycle observed over 15,000 cycles.
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