Datasheet

SN74GTL16622A
18-BIT LVTTL-TO-GTL/GTL+ BUS TRANSCEIVER
SCBS673F – AUGUST 1996 – REVISED AUGUST 2001
2–39
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended ranges of supply voltage and operating free-air
temperature for GTL+ (unless otherwise noted)
MIN MAX UNIT
f
clock
Clock frequency 200 MHz
t
w
Pulse duration, CLK high or low 2.5 ns
t
Setu
p
time
Data before CLK↑ 2.4
ns
t
su
Set
u
p
time
CE before CLK↑ 3.2
ns
t
h
Hold time
Data after CLK↑ 0.2
ns
t
h
Hold
time
CE after CLK↑ 0
ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature for GTL+ (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP
†
MAX UNIT
f
max
200 MHz
t
PLH
CLKAB
B
2.6 4 5.6
ns
t
PHL
CLKAB
B
2.3 4 5.7
ns
t
PLH
OEAB
B
2.4 3.8 5.2
ns
t
PHL
OEAB
B
1.8 3.4 5
ns
Slew rate Both transitions (B port) 0.5 V/ns
t
r
Transition time, B outputs (0.6 V to 1.3 V) 1 1.6 2.7 ns
t
f
Transition time, B outputs (1.3 V to 0.6 V) 0.5 1.1 3.2 ns
t
PLH
CLKBA
A
2 3.8 5.3
ns
t
PHL
CLKBA
A
1.9 3.6 5
ns
t
en
OEBA
A
1.9 3.6 5
ns
t
dis
OEBA
A
2.1 4 5.5
ns
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.