Datasheet

SN74ALB16245
3.3-V ALB 16-BIT TRANSCEIVER
WITH 3-STATE OUTPUTS
SCBS678C – SEPTEMBER 1996 – REVISED JANUARY 2001
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
V
IK
AorB
p
orts
V
CC
=3V
I
I
= 18 mA 3.7 V
CC
+1.2
V
V
IK
A
or
B
ports
V
CC
=
3
V
I
I
= –18 mA –0.9 –1.2
V
Control inputs V
CC
= 3.6 V, V
I
= V
CC
or GND ±10 µA
V
I
=V
CC
OE low 0.4 0.6 mA
I
I
AorB
p
orts
V
CC
=36V
V
I
=
V
CC
OE high 25 µA
A
or
B
ports
V
CC
=
3
.
6
V
V
I
=0
OE low –0.7 –1 mA
V
I
=
0
OE high –60 µA
I
OZH
V
CC
= 3.6 V, V
O
= 3 V 0.7 20 µA
I
OZL
V
CC
= 3.6 V, V
O
= 0.5 V –0.2 –50 µA
I
CC
/buffer V
CC
= 3.6 V, I
O
= 0, V
I
= V
CC
or GND 3.7 5.6 mA
I
CCZ
V
CC
= 3.6 V, Control inputs = V
CC
or GND 0.8 mA
∆I
CC
‡
V
CC
= 3 V to 3.6 V, One input at V
CC
–0.6 V, Other inputs at V
CC
or GND 600 µA
C
i
V
I
= 3 V or 0 3.5 pF
C
io
V
O
= 3 V or 0 7.5 pF
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
‡
This is the increase in supply current for each input that is at the specified TTL voltage level rather than V
CC
or GND.
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 3)
PARAMETER
FROM TO
V
CC
= 3.3 V ± 0.3 V
UNIT
PARAMETER
(INPUT) (OUTPUT)
MIN TYP
†
MAX
UNIT
t
pd
A or B
B or A 0.6 1.3 2 ns
t
en
OE
A or B 1.5 3.2 6 ns
t
dis
OE
A or B 1.8 2.8 4.2 ns
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.