Datasheet

SN74ALVCH16828
20-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES042B – JULY 1995 – REVISED FEBRUARY 1999
3–318
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS
V
CC
MIN TYP
†
MAX UNIT
I
OH
= –100 µA 1.65 V to 3.6 V V
CC
–0.2
I
OH
= –4 mA 1.65 V 1.2
I
OH
= –6 mA 2.3 V 2
V
OH
2.3 V 1.7
V
I
OH
= –12 mA
2.7 V 2.2
3 V 2.4
I
OH
= –24 mA 3 V 2
I
OL
= 100 µA 1.65 V to 3.6 V 0.2
I
OL
= 4 mA 1.65 V 0.45
I
OL
= 6 mA 2.3 V 0.4
V
OL
2.3 V 0.7
V
I
OL
= 12 mA
2.7 V 0.4
I
OL
= 24 mA 3 V 0.55
I
I
V
I
= V
CC
or GND 3.6 V ±5 µA
V
I
= 0.58 V 1.65 V 25
V
I
= 1.07 V 1.65 V –25
V
I
= 0.7 V 2.3 V 45
I
I(hold)
V
I
= 1.7 V 2.3 V –45
µA
V
I
= 0.8 V 3 V 75
V
I
= 2 V 3 V –75
V
I
= 0 to 3.6 V
‡
3.6 V ±500
I
OZ
V
O
= V
CC
or GND 3.6 V ±10 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 40 µA
∆I
CC
One input at V
CC
– 0.6 V, Other inputs at V
CC
or GND 3 V to 3.6 V 750 µA
Control inputs
C
i
Data inputs
V
I
= V
CC
or GND 3.3 V pF
C
o
Outputs V
O
= V
CC
or GND 3.3 V pF
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
‡
This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figures 1 through 3)
PARAMETER
FROM TO
V
CC
= 1.8 V
V
CC
= 2.5 V
± 0.2 V
V
CC
= 2.7 V
V
CC
= 3.3 V
± 0.3 V
UNIT
(INPUT) (OUTPUT)
TYP MIN MAX MIN MAX MIN MAX
t
pd
A Y ns
t
en
OE
Y ns
t
dis
OE
Y ns
PRODUCT PREVIEW