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參數(shù)資料
| 型號： | SNJ54AHCT16245WD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 16位總線收發(fā)3態(tài)輸出 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 245K |
| 代理商： | SNJ54AHCT16245WD |
SN54AHCT16245, SN74AHCT16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS335J – MARCH 1996 – REVISED OCTOBER 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
logic diagram (positive logic)
To Seven Other Channels
1DIR
1A1
1B1
1OE
To Seven Other Channels
2DIR
2A1
2B1
2OE
1
47
24
36
48
2
25
13
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): Control inputs
I/O, Output voltage range, V
O
(see Note 1)
Input clamp current, I
IK
(V
I
< 0): Control inputs
I/O, Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
)
Continuous output current, I
O
(V
O
= 0 to V
CC
)
Continuous current through each V
CC
or GND
Package thermal impedance,
θ
JA
(see Note 2): DGG package
–0.5 V to 7 V
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 V to V
CC
+ 0.5 V
–20 mA
±
20 mA
±
25 mA
±
75 mA
70
°
C/W
58
°
C/W
63
°
C/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 voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions (see Note 3)
SN54AHCT16245
MIN
SN74AHCT16245
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VIO
IOH
IOL
t/
v
TA
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs literature number SCBA004.
Supply voltage
4.5
5.5
4.5
5.5
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
Input/output voltage, A or B pins
0
VCC
–8
0
VCC
–8
V
High-level output current
mA
Low-level output current
8
8
mA
Input transition rise or fall rate
20
20
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
PRODUCT PREVIEW information concerns products in the formative or
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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