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參數(shù)資料
| 型號： | 74F642 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Transceivers |
| 中文描述： | 收發(fā)器 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 92K |
| 代理商： | 74F642 |
Philips Semiconductors
Product specification
74F641/74F642*
Transceivers
1999 Jan 08
5
* Discontinued part. Please see the Discontinued Products List.
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limits set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free-air temperature range.)
SYMBOL
V
CC
Supply voltage
V
IN
Input voltage
I
IN
Input current
V
OUT
Voltage applied to output in High output state
PARAMETER
RATING
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to +V
CC
48
128
0 to +70
–65 to +150
UNIT
V
V
mA
V
mA
mA
°
C
°
C
I
OUT
Current applied to output in Low output state
lied to out ut in Low out ut state
A0–A7
B0–B7
T
amb
T
stg
Operating free-air temperature range
Storage temperature range
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
NOM
5.0
UNIT
MIN
4.5
2.0
MAX
5.5
V
CC
V
IH
V
IL
I
IK
I
OH
Supply voltage
High-level input voltage
Low-level input voltage
Input clamp current
High-level output current
V
V
V
0.8
–18
4.5
24
64
70
mA
V
mA
mA
°
C
I
OL
Low-level output current
Low-level out ut current
A0–A7
B0–B7
T
amb
Operating free-air temperature range
0
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
LIMITS
TYP
NO TAG
SYMBOL
PARAMETER
TEST CONDITIONS
NO TAG
MIN
MAX
UNIT
I
OH
High-level output current
V
CC
= MIN, V
IL
= MAX,
V
IH
= MIN, V
OH
= MAX
250
μ
A
A0–A7
V
CC
= MIN
V
IL
= MAX,
V
= MIN,
IH
I
OL
= 24mA
±
10%V
CC
±
5%V
CC
±
10%V
CC
±
5%V
CC
0.35
0.35
0.38
0.42
–0.73
0.50
0.50
0.55
0.55
–1.2
100
1
40
20
–40
–20
90
120
55
98
V
V
V
V
V
μ
A
mA
μ
A
μ
A
μ
A
μ
A
mA
mA
mA
mA
V
OL
Low-level output voltage
Low-level out ut voltage
B0–B7
I
OL
= 48mA
I
OL
= 64mA
V
IK
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
V
CC
= 0.0V, V
I
= 7.0V
V
CC
= 5.5V, V
I
= 5.5V
I
I
Input current at maximum
input voltage
T/R, OE
An, Bn
T/R, OE
An, Bn
T/R, OE
An, Bn
I
CCH
I
CCL
I
CCH
I
CCL
I
IH
High-level input current
High-level in ut current
= MAX V
= 2 7V
V
CC
= MAX, V
I
= 2.7V
I
IL
Low-level input current
Low-level in ut current
= MAX V
= 0 5V
V
CC
= MAX, V
I
= 0.5V
74F641
An=T/R=4.5, OE=GND
T/R=4.5V, An=OE=GND
An=T/R=OE=4.5V
An=T/R=4.5V, OE=GND
60
78
37
67
I
CC
Supply current
(total)
V
CC
= MAX
74F642
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
°
C.
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| 74F645 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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