Datasheet

TLK1221
www.ti.com ....................................................................................................................................... SLLS713C –FEBRUARY 2007–REVISED SEPTEMBER 2009
LVTTL OUTPUT SWITCHING CHARACTERISTICS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
r(RBC)
Clock rise time 0.3 1.5 ns
t
f(RBC)
Clock fall time 0.3 1.5 ns
80% to 20% output voltage, C = 5 pF (see Figure 9)
t
r
Data rise time 0.3 1.5 ns
t
f
Data fall time 0.3 1.5 ns
TBI normal mode (see Figure 3), R
ω
= 125 MHz, data valid prior
2.5 ns
to RBC0 rising
t
su(d1)
Data setup time (RD0–RD9)
TBI normal mode (see Figure 3), R
ω
= 61.44 MHz, data valid
5 ns
prior to RBC0 rising
TBI normal mode (see Figure 3), R
ω
= 125 MHz, data valid after
2 ns
RBC0 rising
t
h(d1)
Data hold time (RD0–RD9)
TBI normal mode (see Figure 3), R
ω
= 61.44 MHz, data valid
4 ns
after RBC0 rising
t
su(d3)
Data setup time (RD0–RD9) TBI half-rate mode, R
ω
= 125 MHz (see Figure 2) 2.5 ns
t
h(d3)
Data hold time (RD0–RD9) TBI half-rate mode, R
ω
= 125 MHz (see Figure 2) 1.5 ns
TRANSMITTER TIMING REQUIREMENTS
over recommended operating conditions (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
su(d4)
Data setup time (TD0–TD9) 1.6 ns
t
h(d4)
Data hold time (TD0–TD9) 0.8 ns
t
r
, t
f
TD[0,9] data rise and fall time See Figure 9 2 ns
Table 3. AVAILABLE OPTIONS
T
A
PACKAGE
QFN PLASTIC QUAD FLAT PACK (RHA)
–40°C to 85°C TLK1221RHA
Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Link(s): TLK1221