參數(shù)資料
型號(hào): MC74LVQ373M
廠商: MOTOROLA INC
元件分類(lèi): 通用總線功能
英文描述: LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH
中文描述: LVQ SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: EIAJ, PLASTIC, SOIC-20
文件頁(yè)數(shù): 5/8頁(yè)
文件大?。?/td> 214K
代理商: MC74LVQ373M
MC74LVQ373
LCX DATA
BR1339 — REV 2
5
MOTOROLA
WAVEFORM 1 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
VCC
0V
VOH
VOL
Dn
On
tPHL
tPLH
WAVEFORM 2 – OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
VCC
0V
0V
OE
On
tPZH
3.0V
tPHZ
tPZL
tPLZ
On
50% VCC
50% VCC
50% VCC
50% VCC
50% VCC
50% VCC
Figure 1. AC Waveforms
50% VCC
VCC
VOH – 0.3V
VOL + 0.3V
GND
50% VCC
WAVEFORM 3 – LE to On PROPAGATION DELAYS, LE MINIMUM
PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns except when noted
VCC
0V
Dn
LE
50% VCC
On
VCC
0V
VOH
VOL
tPLH, tPHL
tw
50% VCC
50% VCC
50% VCC
th
ts
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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