DC Electrical Characteristics (Continued) Note 5: Outputs disabled or " />
參數(shù)資料
型號(hào): 74LCX257MTCX
廠商: Fairchild Semiconductor
文件頁數(shù): 4/9頁
文件大小: 0K
描述: MULTIPLEXER QUAD 2IN I/O 16TSSOP
標(biāo)準(zhǔn)包裝: 1
系列: 74LCX
類型: 多路復(fù)用器
電路: 4 x 2:1
獨(dú)立電路: 1
輸出電流高,低: 24mA,24mA
電壓電源: 單電源
電源電壓: 2 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 1211 (CN2011-ZH PDF)
其它名稱: 74LCX257MTCXDKR
www.fairchildsemi.com
4
74LCX257
DC Electrical Characteristics (Continued)
Note 5: Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note 6: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Dynamic Switching Characteristics
Capacitance
Symbol
Parameter
Conditions
VCC
TA = 40°C to +85°C
Units
(V)
Min
Max
ICC
Quiescent Supply Current
VI = VCC or GND
2.3
3.6
10
A
3.6V
≤ V
I, VO ≤ 5.5V (Note 5)
2.3
3.6
±10
I
CC
Increase in ICC per Input
VIH = VCC 0.6V
2.3
3.6
500
A
Symbol
Parameter
TA = 40°C to +85°C, RL = 500
Units
VCC = 3.3V ± 0.3V
VCC = 2.7V
VCC = 2.5V ± 0.2V
CL= 50 pF
CL = 50 pF
CL= 30 pF
Min
Max
Min
Max
Min
Max
tPHL
Propagation Delay
1.5
7.0
1.5
8.5
1.5
9.1
ns
tPLH
S
→Z
n
1.57.0
1.58.5
1.59.1
tPHL
Propagation Delay
1.5
6.0
1.5
6.5
1.5
7.2
ns
tPLH
In→Zn
1.56.0
1.56.5
1.57.2
tPZL
Output Enable Time
1.5
7.0
1.5
8.5
1.5
9.1
ns
tPZH
OE
→Z
n
1.57.0
1.58.5
1.59.1
tPLZ
Output Disable Time
1.5
5.5
1.5
6.0
1.5
6.6
ns
tPHZ
OE
→Z
n
1.55.5
1.56.0
1.56.6
tOSHL
Output to Output Skew (Note 6)
1.0
ns
tOSLH
1.0
Symbol
Parameter
Conditions
VCC
TA = 25°C
Units
(V)
Typical
VOLP
Quiet Output Dynamic Peak VOL
CL = 50 pF, VIH = 3.3V, VIL = 0V
3.3
0.8
V
CL = 30 pF, VIH = 2.5V, VIL = 0V
2.5
0.6
VOLV
Quiet Output Dynamic Valley VOL
CL = 50 pF, VIH = 3.3V, VIL = 0V
3.3
0.8
V
CL = 30 pF, VIH = 2.5V, VIL = 0V
2.5
0.6
Symbol
Parameter
Conditions
Typical
Units
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
7pF
COUT
Output Capacitance
VCC = 3.3V, VI = 0V or VCC
8pF
CPD
Power Dissipation Capacitance
VCC = 3.3V, VI = 0V or VCC, f = 10 MHz
25
pF
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74LCX257MX_NL 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 FINISHED GOOD 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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