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參數資料
| 型號： | MC74LCX646DW |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | LOW-VOLTAGE CMOS OCTAL TRANSCEIVER/ REGISTERED TRANSCEIVER |
| 中文描述： | LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | PLASTIC, SOIC-24 |
| 文件頁數： | 6/10頁 |
| 文件大小： | 169K |
| 代理商： | MC74LCX646DW |
MC74LCX646
MOTOROLA
LCX DATA
BR1339 — REV 3
6
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CIN
Input Capacitance
VCC = 3.3V, VI = 0V or VCC
7
pF
CI/O
Input/Output Capacitance
VCC = 3.3V, VI = 0V or VCC
8
pF
CPD
Power Dissipation Capacitance
10MHz, VCC = 3.3V, VI = 0V or VCC
25
pF
WAVEFORM 2 – OE/DIR to An/Bn OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
2.7V
0V
VOH – 0.3V
≈
0V
OE
An, Bn
tPZH
≈
3.0V
VOL + 0.3V
1.5V
1.5V
tPHZ
tPZL
tPLZ
An, Bn
1.5V
1.5V
Figure 1. AC Waveforms
WAVEFORM 1 – SAB to B and SBA to A, An to Bn PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
2.7V
0V
An, Bn,
SBA, SAB
Bn, An
1.5V
VOH
VOL
tPLH, tPHL
1.5V
DIR
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相關代理商/技術參數 |
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| MC74LCX646DWR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
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| MC74LCX652DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
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