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SN74ALVCH16821
3.3-V 20-BIT BUS-INTERFACE FLIP-FLOP
WITH 3-STATE OUTPUTS
SCES037F – JULY 1995 – REVISED SEPTEMBER 2004
ABSOLUTE MAXIMUM RATINGS
(1)
over operating free-air temperature range (unless otherwise noted)
MIN
V
CC
V
I
V
O
I
IK
I
OK
I
O
Supply voltage range
Input voltage
range
(2)
V
I
< 0
V
O
< 0
Output voltage range
(2) (3)
Input clamp current
Output clamp current
Continuous output current
Continuous current through each V
CC
or GND
θ
JA
T
stg
(1)
(2)
(3)
(4)
Package thermal impedance
(4)
Storage temperature range
DGG package
DL package
-65
-0.5
-0.5
-0.5
MAX
4.6
4.6
V
CC
+ 0.5
-50
-50
±50
±100
48
56
150
UNIT
V
V
V
mA
mA
mA
mA
°C/W
°C
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
This value is limited to 4.6 V maximum.
The package thermal impedance is calculated in accordance with JESD 51-7.
RECOMMENDED OPERATING CONDITIONS
(1)
MIN
V
CC
V
IH
Supply voltage
V
CC
= 1.65 V to 1.95 V
High-level input voltage
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
V
CC
= 1.65 V to 1.95 V
V
IL
V
I
V
O
Low-level input voltage
Input voltage
Output voltage
V
CC
= 1.65 V
I
OH
High-level output current
V
CC
= 2.3 V
V
CC
= 2.7 V
V
CC
= 3 V
V
CC
= 1.65 V
I
OL
Low-level output current
V
CC
= 2.3 V
V
CC
= 2.7 V
V
CC
= 3 V
∆t/∆v
T
A
(1)
Input transition rise or fall rate
Operating free-air temperature
-40
V
CC
= 2.3 V to 2.7 V
V
CC
= 2.7 V to 3.6 V
0
0
1.65
0.65
×
V
CC
1.7
2
0.35
×
V
CC
0.7
0.8
V
CC
V
CC
-4
-12
-12
-24
4
12
12
24
10
85
ns/V
°C
mA
mA
V
V
V
V
MAX
3.6
UNIT
V
All unused control inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs,
literature number SCBA004.
3
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