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參數(shù)資料
| 型號(hào)： | 74FST3253DT |
| 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 EXCHANGER, PDSO16 |
| 封裝： | LEAD FREE, TSSOP-16 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 85K |
| 代理商： | 74FST3253DT |
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.
6. Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower
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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| 74FST3253Q | 制造商:Integrated Device Technology Inc 功能描述:Multiplexer/Demultiplexer Bus Switch 1-Element CMOS 8-IN 16-Pin QSOP 制造商:Rochester Electronics LLC 功能描述:DUAL 4-BIT TO 1 FET - Bulk |
| 74FST3253QS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3253QSR | 功能描述:IC MUX/DEMUX DUAL 4:1 16QSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號(hào)開關(guān)，多路復(fù)用器，解碼器 系列:74FST 標(biāo)準(zhǔn)包裝:2,000 系列:74CB 類型:FET 總線開關(guān) 電路:8 x 1:1 獨(dú)立電路:1 輸出電流高，低:15mA，30mA 電壓電源:單電源 電源電壓:2.3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TVSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁面:951 (CN2011-ZH PDF) 其它名稱:296-19129-2 |
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