參數(shù)資料
型號(hào): MC74LVQ646SD
廠商: MOTOROLA INC
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: LVQ SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝: PLASTIC, SSOP-24
文件頁(yè)數(shù): 7/10頁(yè)
文件大?。?/td> 230K
代理商: MC74LVQ646SD
MC74LVQ646
LCX DATA
BR1478
7
MOTOROLA
Figure 2. AC Waveforms
WAVEFORM 4 – INPUT PULSE DEFINITION
tR = tF = 2.5ns, 10% to 90% of 0V to VCC
POSITIVE
PULSE
NEGATIVE
PULSE
50% VCC
50% VCC
tw
50% VCC
50% VCC
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
VCC
0V
An, Bn
CAB,
CBA
50% VCC
Bn, An
VCC
0V
VOH
VOL
tPLH, tPHL
tw
50% VCC
50% VCC
50% VCC
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
GND
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500
or equivalent
RT = ZOUT of pulse generator (typically 50
)
Figure 3. Test Circuit
相關(guān)PDF資料
PDF描述
MC74LVQ652 Power Factor Correction (PFC) and PWM Controller Combo; Package: DIP; No of Pins: 16; Container: Rail
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