TA = +25°C Symb" />
參數(shù)資料
型號(hào): MC74LCX245DTR2G
廠商: ON Semiconductor
文件頁數(shù): 5/9頁
文件大?。?/td> 0K
描述: IC TRANSCEIVER 8BIT CMOS 20TSSOP
標(biāo)準(zhǔn)包裝: 1
系列: 74LCX
邏輯類型: 收發(fā)器,非反相
元件數(shù): 1
每個(gè)元件的位元數(shù): 8
輸出電流高,低: 24mA,24mA
電源電壓: 2 V ~ 5.5 V
工作溫度: -55°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁面: 1123 (CN2011-ZH PDF)
其它名稱: MC74LCX245DTR2GOSDKR
MC74LCX245
http://onsemi.com
5
DYNAMIC SWITCHING CHARACTERISTICS
TA = +25°C
Symbol
Characteristic
Condition
Min
Typ
Max
Unit
VOLP
Dynamic LOW Peak Voltage (Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.8
0.6
V
VOLV
Dynamic LOW Valley Voltage (Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.8
0.6
V
4. Number of outputs defined as “n”. Measured with “n1” outputs switching from HIGHtoLOW or LOWtoHIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CIN
Input Capacitance
VCC = 3.3 V, VI = 0 V or VCC
7
pF
CI/O
Input/Output Capacitance
VCC = 3.3 V, VI = 0 V or VCC
8
pF
CPD
Power Dissipation Capacitance
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
25
pF
WAVEFORM 1 PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
VCC
0 V
VOH
VOL
An, Bn
tPHL
tPLH
WAVEFORM 2 OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
0 V
OE, T/R
tPZH
tPHZ
tPZL
tPLZ
Vmo
Vmi
Vmo
Figure 3. AC Waveforms
Vmi
VOH
VHZ
VOL
VCC
VLZ
Bn, An
An, Bn
Vmi
Symbol
VCC
3.3 V + 0.3 V
2.7 V
2.5 V + 0.2 V
5.0 V
Vmi
1.5 V
VCC/2
Vmo
1.5 V
VCC/2
VHZ
VOL + 0.3 V
VOL + 0.15 V
VLZ
VOH 0.3 V
VOH 0.15 V
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