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參數(shù)資料
| 型號： | 74FST3251D |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8:1 Multiplexer/Demultiplexer Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, 1 LINE TO 8 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 86K |
| 代理商： | 74FST3251D |
74FST3251
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
High–Level Input Voltage
4.0 to 5.5
2.0
V
V
IL
Low–Level 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
OFF–STATE 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
= 4.5–5.5 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
6.3
6.9
t
PZH
, t
PZL
Output Enable Time, Select to Bus B
V
I
= 7 V for t
PZL
1.0
6.0
6.5
ns
Output Enable Time, I
OE
to Bus A, B
V
I
= OPEN for t
PZH
1.0
6.0
6.5
t
PHZ
, t
PLZ
Output Disable Time, Select to Bus B
V
I
= 7 V for t
PLZ
1.0
5.8
6.5
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
5.8
6.5
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
8. T
A
=
B Port Input/Output Capacitance
V
CC
, OE = 5.0 V
5
pF
25 C, f = 1 MHz, Capacitance is characterized but not tested.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74FST3251DR2 | 8:1 Multiplexer/Demultiplexer Bus Switch |
| 74FST3251DT | 8:1 Multiplexer/Demultiplexer Bus Switch |
| 74FST3251DTR2 | Circular Connector; MIL SPEC:MIL-C-5015 A/B/C; Body Material:Aluminum Alloy; Series:97-3106A; No. of Contacts:2; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Straight Plug RoHS Compliant: No |
| 74FST3251QS | 8:1 Multiplexer/Demultiplexer Bus Switch |
| 74FST3251QSR | 8:1 Multiplexer/Demultiplexer Bus Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74FST3251DR2 | 功能描述:IC MUX/DEMUX 8:1 BUS SW 16SOIC RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關(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 |
| 74FST3251DT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| 74FST3251DTR2 | 功能描述:IC MUX/DEMUX 8:1 BUS SW 16TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關(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 |
| 74FST3251QS | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| 74FST3251QSR | 功能描述:IC MUX/DEMUX 8:1 BUS SW 16QSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關(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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