Datasheet
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Electrical Characteristics
Switching Characteristics
Switching Characteristics
(1)
Operating Characteristics
SN74AVC16827
20-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES176I – DECEMBER 1998 – REVISED JUNE 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
I
OHS
= –100 µ A, V
IH
= V
CC
1.4 V to 3.6 V V
CC
– 0.2
I
OHS
= –2 mA, V
IH
= 0.91 V 1.4 V 1.05
V
OH
I
OHS
= –4 mA, V
IH
= 1.07 V 1.65 V 1.2 V
I
OHS
= –8 mA, V
IH
= 1.7 V 2.3 V 1.75
I
OHS
= –12 mA, V
IH
= 2 V 3 V 2.3
I
OLS
= 100 µ A 1.4 V to 3.6 V 0.2
I
OLS
= 2 mA, V
IL
= 0.49 V 1.4 V 0.4
V
OL
I
OLS
= 4 mA, V
IL
= 0.57 V 1.65 V 0.45 V
I
OLS
= 8 mA, V
IL
= 0.7 V 2.3 V 0.55
I
OLS
= 12 mA, V
IL
= 0.8 V 3 V 0.7
I
I
V
I
= V
CC
or GND 3.6 V ±2.5 µ A
I
off
V
I
or V
O
= 3.6 V 0 ±10 µ A
I
OZ
V
O
= V
CC
or GND, V
IH
= V
CC
3.6 V ±12.5 µ A
I
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 40 µ A
2.5 V 4
Control inputs V
I
= V
CC
or GND
3.3 V 4
C
i
pF
2.5 V 2.5
Data inputs V
I
= V
CC
or GND
3.3 V 2.5
2.5 V 6.5
C
o
Outputs V
O
= V
CC
or GND pF
3.3 V 6.5
(1) Typical values are measured at T
A
= 25°C.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2 through Figure 5 )
V
CC
= 1.5 V V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
V
CC
= 1.2 V
FROM TO
± 0.1 V ± 0.15 V ± 0.2 V ± 0.3 V
PARAMETER UNIT
(INPUT) (OUTPUT)
TYP MIN MAX MIN MAX MIN MAX MIN MAX
t
pd
A Y 3 0.4 3.2 0.9 2.9 0.8 1.9 0.5 1.7 ns
t
en
OE Y 8.7 2.3 9.1 2.1 8 1.4 5.6 1.2 5.1 ns
t
dis
OE Y 7.5 2.7 8.3 2.5 7.3 0.9 4.9 1 4.7 ns
T
A
= 0°C to 85°C, C
L
= 0 pF
V
CC
= 3.3 V
FROM TO
± 0.15 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN MAX
t
pd
A Y 0.09 0.67 ns
(1) Texas Instruments SPICE simulation data
T
A
= 25°C
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
PARAMETER TEST CONDITIONS UNIT
TYP TYP TYP
Outputs enabled 31 35 40
Power dissipation
C
pd
C
L
= 0, f = 10 MHz pF
capacitance
Outputs disabled 6 6 6
5