參數(shù)資料
型號(hào): MC74LCX16646
廠商: Motorola, Inc.
英文描述: LOW-VOLTAGE CMOS 16-BIT TRANSCEIVER/ REGISTERED TRANSCEIVER
中文描述: 低電壓CMOS 16位收發(fā)器/注冊(cè)收發(fā)器
文件頁(yè)數(shù): 9/10頁(yè)
文件大?。?/td> 164K
代理商: MC74LCX16646
MC74LCX16646
LCX DATA
BR1339 — REV 3
9
MOTOROLA
Figure 1. AC Waveforms
(continued)
WAVEFORM 4 – INPUT PULSE DEFINITION
tR = tF = 2.5ns, 10% to 90% of 0V to 2.7V
POSITIVE
PULSE
NEGATIVE
PULSE
1.5V
1.5V
tw
1.5V
1.5V
tw
WAVEFORM 3 – CLOCK to Bn/An PROPAGATION DELAYS, CLOCK MINIMUM PULSE WIDTH,
An/Bn to CLOCK SETUP AND HOLD TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns except when noted
2.7V
0V
An, Bn
CABn,
CBAn
1.5V
Bn, An
2.7V
0V
VOH
VOL
tPLH, tPHL
tw
1.5V
1.5V
1.5V
th
ts
fmax
OPEN
GND
PULSE
GENERATOR
RT
DUT
VCC
RL
R1
CL
6V
TEST
SWITCH
tPLH, tPHL
Open
tPZL, tPLZ
6V
Open Collector/Drain tPLH and tPHL
6V
tPZH, tPHZ
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500
or equivalent
RT = ZOUT of pulse generator (typically 50
)
GND
Figure 2. Test Circuit
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