Datasheet

SN74GTL1655
16-BIT LVTTL-TO-GTL/GTL+ UNIVERSAL BUS TRANSCEIVER
WITH LIVE INSERTION
SCBS696G – JULY 1997 – REVISED AUGUST 2001
2–10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature, V
TT
= 1.2 V, V
REF
= 0.8 V, and V
ERC
= V
CC
or GND for GTL (unless otherwise noted)
MIN MAX UNIT
f
clock
Clock frequency 160 MHz
t
Pulse duration
LE high 3
ns
t
w
P
u
lse
d
u
ration
CLK high or low 3
ns
Data before CLK↑ 2.7
t
su
Setup time
Data before LE↓
CLK high 2.8
ns
Data
before
LE↓
CLK low 2.6
t
h
Hold time
Data after CLK↑ 0.4
ns
t
h
Hold
time
Data after LE↓ CLK high or low 0.9
ns
A-to-B switching characteristics over recommended ranges of supply voltage and operating
free-air temperature, V
TT
= 1.2 V, V
REF
= 0.8 V, and V
ERC
= V
CC
or GND for GTL (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN MAX UNIT
f
max
160 MHz
t
PLH
A
B
3.1 5.2
ns
t
PHL
V
ERC
= V
CC
B
2.6 6.2
ns
t
PLH
CLK
B
3.4 5.5
ns
t
PHL
V
ERC
= V
CC
B
2.4 5.8
ns
t
PLH
LEAB
B
3.5 5.8
ns
t
PHL
V
ERC
= V
CC
B
2.6 6.4
ns
t
en
OEAB or OE
B
3.3 5.4
ns
t
dis
OEAB
or
OE
V
ERC
= V
CC
B
2.7 5.9
ns
t
PLH
A
B
2.3 4.3
ns
t
PHL
V
ERC
= GND
B
1.9 4.3
ns
t
PLH
CLK
B
2.7 4.8
ns
t
PHL
V
ERC
= GND
B
1.8 4.3
ns
t
PLH
LEAB
B
2.8 4.9
ns
t
PHL
V
ERC
= GND
B
2 4.8
ns
t
en
OEAB or OE
B
2.5 4.5
ns
t
dis
OEAB
or
OE
V
ERC
= GND
B
2 4.2
ns
Slew rate (V
ERC
= V
CC
) Both transitions, B outputs (0.6 V to 1.3 V) 1 ns/V
Slew rate (V
ERC
= GND) Both transitions, B outputs (0.6 V to 1.3 V) 1 ns/V
t
sk(o)
†
Skew between drivers in the same package
(switching in the same direction)
1 ns
t
sk(o)
‡
Skew between drivers
switching in any direction in the same package
1 ns
†
Skew values are applicable for through mode only.
‡
Skew values are applicable for CLK mode only, with all outputs switching simultaneously.