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參數(shù)資料
| 型號(hào)： | SN54ALVTH16646 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.5-V/3.3-V 16-Bit Bus Transceivers With 3-State Outputs( 2.5V/3.3V 16位總線收發(fā)器(三態(tài)輸出)) |
| 中文描述： | 2.5-V/3.3-V 16位總線收發(fā)器三態(tài)輸出（2.5V/3.3V的16位總線收發(fā)器（三態(tài)輸出）） |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大小： | 276K |
| 代理商： | SN54ALVTH16646 |
SN54ALVTH16646, SN74ALVTH16646
2.5-V/3.3-V 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES072A – JUNE 1996 – REVISED JULY 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Voltage range applied to any output in the high state or power-off state, V
O
(see Note 1)
Output current in the low state, I
O
:SN54ALVTH16646
SN74ALVTH16646
Output current in the high state, I
O
: SN54ALVTH16646
SN74ALVTH16646
Input clamp current, I
IK
(V
I
< 0)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
O
< 0)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum power dissipation at T
A
= 55
°
C (in still air) (see Note 2):DGG package
–0.5 V to 4.6 V
–0.5 V to 7 V
–0.5 V to 7 V
. . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
96 mA
128 mA
–48 mA
–64 mA
–50 mA
–50 mA
1 W
1 W
1.4 W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
DGV package
DL package
Storage temperature range, T
stg
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.
NOTES:
1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The maximum package power dissipation is calculated using a junction temperature of 150
°
C and a board trace length of 750 mils.
For more information, refer to the Package Thermal Considerationsapplication note in the ABT Advanced BiCMOS Technology Data
Book
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions, V
CC
= 2.5 V
±
0.2 V (see Note 3)
SN54ALVTH16646
MIN
SN74ALVTH16646
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
IOH
Supply voltage
2.3
2.7
2.3
2.7
V
High-level input voltage
1.7
1.7
V
Low-level input voltage
0.7
0.7
V
Input voltage
0
5.5
0
5.5
V
High-level output current
–6
–8
mA
IOL
Low-level output current
Low-level output current; current duty cycle
≤
50%; f
≥
1 KHz
Input transition rise or fall rate
6
8
mA
18
24
t/
v
TA
NOTE 3: Unused control inputs must be held high or low to prevent them from floating.
Outputs enabled
10
10
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
recommended operating conditions, V
CC
= 3.3 V
±
0.3 V (see Note 3)
SN54ALVTH16646
MIN
SN74ALVTH16646
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
IOH
Supply voltage
3
3.6
3
3.6
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
5.5
0
5.5
V
High-level output current
–24
–32
mA
IOL
Low-level output current
Low-level output current; current duty cycle
≤
50%; f
≥
1 KHz
Input transition rise or fall rate
24
32
mA
48
64
t/
v
TA
NOTE 3: Unused control inputs must be held high or low to prevent them from floating.
Outputs enabled
10
10
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
P
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