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參數(shù)資料
| 型號： | 74FST3244DT |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Bus Switch |
| 中文描述： | CBT/FST/QS/5C/B SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | LEAD FREE, TSSOP-20 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 89K |
| 代理商： | 74FST3244DT |
74FST3244
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
Limits
T
A
=
40 C to
85 C
V
CC
= 4.5 to 5.5 V
V
CC
= 4.0 V
Symbol
Parameter
Conditions
Figures
Min
Max
Min
Max
Unit
t
PHL
,
t
PLH
Prop Delay Bus to Bus
(Note 7)
V
I
= OPEN
3 and 4
0.25
0.25
ns
t
PZH
,
t
PZL
Output Enable Time
V
I
= 7 V for t
PZL
V
I
= OPEN for t
PZH
3 and 4
1.0
5.6
6.1
ns
t
PHZ
,
t
PLZ
Output Disable Time
V
I
= 7 V for t
V
I
= OPEN for t
PHZ
3 and 4
1.5
6.2
5.6
ns
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).
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
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) |
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| 74FST3244DTR2 | 功能描述:IC BUS SWITCH 8BIT 20TSSOP 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 |
| 74FST3244DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3244DWR2 | 功能描述:IC BUS SWITCH 8BIT 20SOIC 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 |
| 74FST3244FQ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74FST3244PY | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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