參數(shù)資料
型號: MC74LCX16543DT
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: LOW-VOLTAGE CMOS 16-BIT LATCHING TRANSCEIVER
中文描述: LVC/LCX/Z SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56
封裝: PLASTIC, TSSOP-56
文件頁數(shù): 7/8頁
文件大?。?/td> 142K
代理商: MC74LCX16543DT
MC74LCX16543
LCX DATA
BR1339 — REV 3
7
MOTOROLA
WAVEFORM 4 – Enable to A or B PROPAGATION DELAYS, Enable MINIMUM
PULSE WIDTH, A or B to Enable SETUP AND HOLD TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns except when noted
2.7V
0V
An
or Bn
Exxn
or LExxn
1.5V
An
or Bn
2.7V
0V
VOH
VOL
tPLH, tPHL
tw
1.5V
1.5V
1.5V
th
ts
POSITIVE
PULSE
NEGATIVE
PULSE
1.5V
1.5V
tw
1.5V
1.5V
tw
WAVEFORM 3 – INPUT PULSE DEFINITION
tR = tF = 2.5ns, 10% to 90% of 0V to 2.7V
Figure 2. AC Waveforms
(continued)
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 3. Test Circuit
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