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參數(shù)資料
| 型號(hào)： | SN74F2245DB |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | NiCd/NiMH Charge Controller with Negative dV and Peak Voltage Detection Termination 8-SOIC 0 to 70 |
| 中文描述： | 25歐姆八路總線收發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 84K |
| 代理商： | SN74F2245DB |
SN74F2245
25-
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SDFS099 – MAY 1995
2
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)
Input current range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the disabled or power-off state
Voltage range applied to any output in the high state
Current into any output in the low state
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed.
–0.5 V to 7 V
–1.2 V to 7 V
–30 mA to 5 mA
–0.5 V to 5.5 V
–0.5 V to V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30 mA
0
°
C to 70
°
C
–65
°
C to 150
°
C
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
VIH
VIL
IIK
IOH
IOL
TA
Supply voltage
4.5
5
5.5
V
High-level input voltage
2
V
Low-level input voltage
0.8
V
Input clamp current
–18
mA
High-level output current
– 3
mA
Low-level output current
12
mA
°
C
Operating free-air temperature
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
IOH = – 1 mA
IOH = – 3 mA
IOH = –1 mA to – 3 mA
IOL = 1 mA
IOL = 12 mA
VI = 5.5 V
VI = 7 V
–1.2
V
VCC= 4 5 V
VCC = 4.5 V
2.5
3.4
VOH
Any output
2.4
3.3
V
VCC = 4.75 V,
2.7
VOL
Any output
VCC= 4 5 V
VCC = 4.5 V
0.2
0.5
V
0.5
0.75
II
A and B
VCC= 5 5 V
VCC = 5.5 V
1
mA
DIR and OE
0.1
IIH§
A and B
VCC= 5 5 V
VCC = 5.5 V,
VI= 2 7 V
VI = 2.7 V
70
μ
A
DIR and OE
20
I §
IIL§
A and B
VCC= 5 5 V
VCC = 5.5 V,
VI= 0 5 V
VI = 0.5 V
–0.5
mA
DIR and OE
– 0.5
IOS
A and B
VCC = 5.5 V,
VO = 0
Outputs high
–50
–120
mA
62
90
ICC
VCC = 5.5 V
Outputs low
Outputs disabled
73
72
105
100
mA
All typical values are at VCC = 5 V, TA = 25
°
C.
§For I/O ports, the parameters IIH and IIL include the off-state output current.
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
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| SN74F2245DBLE | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| SN74F2245N | 制造商:Texas Instruments 功能描述: |
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