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參數(shù)資料
| 型號(hào)： | 74FST3253QSR |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Dual 4:1 Multiplexer/ Demultiplexer Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, DUAL MULTIPLEXER, PDSO16 |
| 封裝： | QSOP-16 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 85K |
| 代理商： | 74FST3253QSR |
74FST3253
http://onsemi.com
4
DC ELECTRICAL CHARACTERISTICS
V
CC
T
A
=
40 C to
85 C
Symbol
Parameter
Conditions
(V)
Min
Typ*
Max
Unit
V
IK
Clamp Diode Resistance
I
IN
=
18mA
4.5
1.2
V
V
IH
HighLevel Input Voltage
4.0 to 5.5
2.0
V
V
IL
LowLevel Input Voltage
4.0 to 5.5
0.8
V
I
I
Input Leakage Current
0
V
IN
5.5 V
5.5
1.0
A
I
OZ
OFFSTATE Leakage Current
0
A, B
V
CC
5.5
1.0
A
R
ON
Switch On Resistance (Note 6)
V
IN
= 0 V, I
IN
= 64 mA
4.5
4
7
V
IN
= 0 V, I
IN
= 30 mA
4.5
4
7
V
IN
= 2.4 V, I
IN
= 15 mA
4.5
8
15
V
IN
= 2.4 V, I
IN
= 15 mA
4.0
11
20
I
CC
Quiescent Supply Current
V
IN
= V
CC
or GND, I
OUT
= 0
5.5
3
A
I
CC
Increase In I
CC
per Input
*Typical values are at V
CC
= 5.0 V and T
A
= 25 C.
of the voltages on the two (A or B) pins.
One input at 3.4 V, Other inputs at V
CC
or GND
5.5
2.5
mA
AC ELECTRICAL CHARACTERISTICS
T
A
=
40 C to
85 C
C
L
= 50 pF, RU = RD = 500
V
CC
= 4.55.5 V
V
CC
= 4.0 V
Symbol
Parameter
Conditions
Min
Max
Min
Max
Unit
t
PHL
, t
PLH
Prop Delay Bus to Bus (Note 7)
V
I
= OPEN
0.25
0.25
ns
Prop Delay, Select to Bus A
1.0
5.3
6.3
t
PZH
, t
PZL
Output Enable Time, Select to Bus B
V
I
= 7 V for t
PZL
1.0
5.3
6.0
ns
Output Enable Time, I
OE
to Bus A, B
V
I
= OPEN for t
PZH
1.0
5.3
6.2
t
PHZ
, t
PLZ
Output Disable Time, Select to Bus B
V
I
= 7 V for t
PLZ
1.0
5.8
6.2
ns
Output Disable Time, I
OE
to Bus A, B
7. This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the
typical On resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance).
V
I
= OPEN for t
PHZ
1.0
5.5
6.2
CAPACITANCE
(Note 8)
Symbol
Parameter
Conditions
Typ
Max
Unit
C
IN
Control Pin Input Capacitance
V
CC
= 5.0 V
3
pF
C
I/O
A Port Input/Output Capacitance
V
CC
, OE = 5.0 V
13
pF
C
I/O
B Port Input/Output Capacitance
V
CC
, OE = 5.0 V
5
pF
8. T
A
=
25 C, f = 1 MHz, Capacitance is characterized but not tested.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| 74FST3257 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Quad 2:1 Multiplexer/ Demultiplexer Bus Switch |
| 74FST3257/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad 2:1 Multiplexer/Demultiplexer Bus Switch |
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| 74FST3257D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3257DR2 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 4-5.5V Quad 2:1 RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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