參數(shù)資料
型號(hào): 74LCX240SJX
廠商: Fairchild Semiconductor
文件頁(yè)數(shù): 11/12頁(yè)
文件大?。?/td> 0K
描述: IC INVERTER DUAL 4-INPUT 20SOP
標(biāo)準(zhǔn)包裝: 2,000
系列: 74LCX
邏輯類(lèi)型: 逆變器,緩沖器
電路數(shù): 2
輸入數(shù): 4
特點(diǎn): 三態(tài)
電源電壓: 2 V ~ 3.6 V
電流 - 靜態(tài)(最大值): 10µA
輸出電流高,低: 24mA,24mA
邏輯電平 - 低: 0.7 V ~ 0.8 V
邏輯電平 - 高: 1.7 V ~ 2 V
額定電壓和最大 CL 時(shí)的最大傳播延遲: 6.5ns @ 3.3V,50pF
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
供應(yīng)商設(shè)備封裝: 20-SOP
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
8
Commercial Temperature Range
IDT72V8980 3.3V Time Slot Interchange
Digital Switch 256 x 256
F0i
Bit Cells
5705 drw09
Channel 31
Bit 0
Channel 0
Bit 7
C4i
Figure 5. Frame Alignment
tFPH
tCH
tFPS
F0i
C4i
5705 drw10
tCL
tCHL
tCTT
tCLK
tFPS
tFPH
tFPW
tCTT
Figure 6. Clock Timing
NOTE:
1. Timing is over recommended temperature and power supply voltages.
2. Typical figures are at 25
°C and are for design aid only; not guaranteed and not subject to production testing.
3. Contents of Connection Memory are not lost if the clock stops, however, TX output go into the high impedance state.
Symbol
Characteristics
Min.
Typ.(2)
Max.
Unit
tCLK
Clock Period(3)
244
ns
tCH
Clock Width High
122
ns
tCL
Clock Width Low
110
122
150
ns
tCTT
Clock Transition Time
20
ns
tFPS
Frame Pulse Setup Time
5
20
190
ns
tFPH
Frame Pulse Hold Time
5
20
190
ns
tFPW
Frame Pulse Width
244
ns
AC ELECTRICAL CHARACTERISTICS (1)
CLOCK TIMING
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