參數(shù)資料
型號: FST3253QSC
廠商: Fairchild Semiconductor
文件頁數(shù): 3/5頁
文件大?。?/td> 0K
描述: MUX/DEMUX DUAL 4:1 TTL 16QSOP
產(chǎn)品變化通告: Mold Compound Change 12/Sept/2008
標(biāo)準(zhǔn)包裝: 4,700
類型: 多路復(fù)用器/多路分解器
電路: 2 x 4:1
獨(dú)立電路: 1
電壓電源: 單電源
電源電壓: 4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-QSOP
包裝: 管件
3
www.fairchildsemi.com
FST3
253
AC Electrical Characteristics
Note 6: 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 50pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitance (Note 7)
Note 7: TA = +25°C, f = 1 MHz, Capacitance is characterized but not tested.
AC Loading and Waveforms
Note: Input driven by 50
source terminated in 50
Note: CL includes load and stray capacitance
Note: Input PRR
= 1.0 MHz, t
W = 500 ns
FIGURE 1. AC Test Circuit
FIGURE 2. AC Waveforms
Symbol
Parameter
TA = 40 °C to +85 °C
CL = 50pF, RU = RD = 500
Units
Conditions
Figure No.
VCC = 4.5 – 5.5V
VCC = 4.0V
Min
Max
Min
Max
tPHL,tPLH
Prop Delay Bus to Bus (Note 6)
0.25
ns
VI = OPEN
Figure 1
Figure 2
Prop Delay, Select to Bus A
1.0
5.3
6.3
tPZH, tPZL
Output Enable Time, Select to Bus B
1.0
5.3
6.0
ns
VI = 7V for tPZL
Figure 1
Figure 2
Output Enable Time, IOE to Bus A, B
1.0
5.3
6.2
VI = OPEN for tPZH
tPHZ, tPLZ
Output Disable Time., Select to Bus B
1.0
5.8
6.2
ns
VI = 7V for tPLZ
Figure 1
Figure 2
Output Disable Time, IOE to Bus A, B
1.0
5.5
6.2
VI = OPEN for tPHZ
Symbol
Parameter
Typ
Max
Units
Conditions
CIN
Control Pin Input Capacitance
3
pF
VCC = 5.0V
CI/O
A Port
Input/Output Capacitance
13
pF
VCC, OE = 5.0V
B Port
5
pF
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