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參數(shù)資料
| 型號(hào)： | CT3257 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad 1-of-2 multiplexer/demultiplexer |
| 中文描述： | 四2選1多路復(fù)用解復(fù)用器 |
| 文件頁(yè)數(shù)： | 4/11頁(yè) |
| 文件大?。?/td> | 102K |
| 代理商： | CT3257 |
Philips Semiconductors
Product data
CBT3257
Quad 1-of-2 multiplexer/demultiplexer
2002 Dec 13
4
ABSOLUTE MAXIMUM RATINGS
1
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
V
I
DC supply voltage
DC input voltage
2
-0.5 to +7.0
V
-0.5 to +7.0
V
Continuous channel current
128
mA
I
K
T
stg
Input clamp current
V
I/O
< 0
-50
mA
°
C
Storage temperature range
-65 to +150
NOTES:
1. Stresses beyond those listed 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.
2. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
LIMITS
SYMBOL
PARAMETER
MIN
4.5
MAX
5.5
UNIT
V
CC
V
IH
V
IL
T
amb
DC supply voltage
V
High-level input voltage
2.0
—
V
Low-level Input voltage
—
0.8
V
°
C
Operating free-air temperature range
-40
+85
NOTE:
1. All unused control inputs of the device must be held at V
CC
or GND to ensure proper device operation.
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= -40 to +85
°
C
MIN
TYP
1
UNIT
MAX
V
IK
V
P
I
I
I
CC
Input clamp voltage
V
CC
= 4.5 V; I
I
= -18 mA
V
I
= V
CC
= 5.0 V; I/O = -100 mA
V
CC
= 5.5 V; V
I
= GND or 5.5 V
V
CC
= 5.5 V; I
O
= 0, V
I
= V
CC
or GND
V
CC
= 5.5 V, one input at 3.4 V,
other inputs at V
CC
or GND
V
I
= 3 V or 0
V
O
= 3 V or 0; OE = V
CC
V
O
= 3 V or 0; OE = V
CC
V
CC
= 4.5 V; V
I
= 0V; I
I
= 64 mA
V
CC
= 4.5 V; V
I
= 0V; I
I
= 30 mA
V
CC
= 4.5 V; V
I
= 2.4 V; I
I
= 15 mA
—
—
-1.2
V
Pass voltage
3.4
3.6
3.9
±
1
3
V
μ
A
μ
A
Input leakage current
—
—
Quiescent supply current
—
—
I
CC
Additional supply current per input pin
2
—
—
2.5
mA
C
I
Control pins
—
3.3
—
pF
A port
—
9.9
—
pF
C
IO(OFF)
Power-off leakage current
B port
—
6.4
—
pF
—
5
7
r
on3
On-resistance
—
5
7
—
10
15
NOTES:
1. All typical values are at V
CC
= 5 V, T
amb
= 25
°
C.
2. This is the increase in supply current for each input that is at the specified TTL voltage level rather than V
CC
or GND
3. Measured by the voltage drop between the A and the B terminals at the indicated current through the switch.
On-state resistance is determined by the lowest voltage of the two (A or B) terminals.
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