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| 型號： | SN74ALB16245DGG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | JT 85C 85#22 PIN PLUG |
| 中文描述： | 的3.3V白蛋白16位收發(fā)器三態(tài)輸出 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 107K |
| 代理商： | SN74ALB16245DGG |
SN74ALB16245
3.3-V ALB 16-BIT TRANSCEIVER
WITH 3-STATE OUTPUTS
SCBS678B – SEPTEMBER 1996 – REVISED JULY 1997
3
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
: Except I/O ports (see Note 1)
I/O ports (see Notes 1 and 2)
Output voltage range, V
O
(see Notes 1 and 2)
Input clamp current, I
IK
(V
I
< 0)
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 3): DGG package
–0.5 V to 4.6 V
–0.5 V to 4.6 V
–0.5 V to V
CC
+ 0.5 V
–0.5 V to V
CC
+ 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–50 mA
±
50 mA
±
50 mA
±
100 mA
89
°
C/W
94
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. This value is limited to 4.6 V maximum.
3. The package thermal impedance is calculated in accordance with JESD 51.
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions
MIN
MAX
UNIT
VCC
IOH
IOL
t/
v
TA
Refer to Figures 1 and 2 for typical I/O ranges.
Supply voltage
3
3.6
V
High-level output current
–25
mA
Low-level output current
25
mA
Input transition rise or fall rate
Outputs enabled
5
ns/V
°
C
Operating free-air temperature
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
II = 18 mA
II = –18 mA
VI = VCC or GND
MIN
TYP§
3.7
MAX
VCC+1.2
–1.2
±
10
0.6
UNIT
VIK
A or B ports
VCC= 3 V
VCC = 3 V
V
–0.9
Control inputs
VCC = 3.6 V,
μ
A
mA
μ
A
mA
μ
A
μ
A
μ
A
mA
VI= VCC
VI = VCC
OE low
0.4
II
A or B ports
VCC= 3 6 V
VCC = 3.6 V
OE high
25
VI= 0
VI = 0
OE low
–0.7
–1
OE high
–60
IOZH
IOZL
ICC/buffer
ICCZ
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 3 V to 3.6 V, One input at VCC –0.6 V,
Other inputs at VCC or GND
VI = 3 V or 0
VO = 3 V or 0
VO = 3 V
VO = 0.5 V
IO = 0,
Control inputs = VCC or GND
0.7
20
–0.2
–50
VI = VCC or GND
3.7
5.6
0.8
mA
ICC
600
μ
A
Ci
Cio
3.5
pF
7.5
pF
§All typical values are at VCC = 3.3 V, TA = 25
°
C.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
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