參數(shù)資料
型號： MC74LVQ373DT
廠商： MOTOROLA INC
元件分類： 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： PLASTIC, TSSOP-20
文件頁數(shù)： 4/8頁
文件大?。?/td> 214K
代理商： MC74LVQ373DT
MC74LVQ373
MOTOROLA
LCX DATA
BR1339 — REV 2
4
DYNAMIC SWITCHING CHARACTERISTICS
(VCC = 3.3V)
TA = +25
°
C
Symbol
Characteristic
Condition
Min
Typ
Max
Unit
VOLP
Dynamic LOW Peak Voltage (Note 1)
CL = 50pF, VIH = 3.3V, VIL = 0V
0.6
1.0
V
VOLV
Dynamic LOW Valley Voltage (Note 1)
CL = 50pF, VIH = 3.3V, VIL = 0V
–0.5
–1.0
V
VIHD
High Level Dynamic Input Voltage
(Note 2)
Input–Under–Test Switching 0V to Threshold,
f=1MHz
1.5
2.0
V
VILD
Low Level Dynamic Input Voltage
(Note 2)
Input–Under–Test Switching 3.3V to Threshold,
f=1MHz
1.5
0.8
V
1. Number of outputs defined as “n”. Measured with “n–1” outputs switching from HIGH–to–LOW. The remaining output is measured in the
LOW state.
2. Number of data inputs is defined as “n” switching, “n–1” inputs switching 0V to 3.3V.
AC CHARACTERISTICS
(tR = tF = 2.5ns; CL = 50pF; RL = 500
)
Limits
TA = +25
°
C
TA = –40
°
C to +85
°
C
VCC = 3.0V to 3.6V
Min
Typ
VCC = 2.7V
Min
Typ
VCC = 3.0V to 3.6V
Min
VCC = 2.7V
Max
Symbol
Parameter
Max
Max
Max
Unit
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tOSHL
tOSLH
1. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter
guaranteed by design.
Propagation Delay
Dn to On
2.5
2.5
9.0
8.0
11.5
10.5
2.5
2.5
9.6
9.6
14.8
14.8
2.5
2.5
12.0
11.5
16.0
16.0
ns
Propagation Delay
LE to On
2.5
2.5
8.0
8.0
11.5
11.5
2.5
2.5
9.6
9.6
15.0
15.0
2.5
2.5
12.5
12.5
16.0
16.0
ns
Output Enable Time
to High and Low Level
2.5
2.5
7.0
7.0
9.5
9.5
2.5
2.5
8.0
8.0
12.0
12.0
2.5
2.5
10.0
10.0
14.0
14.0
ns
Output Disable Time
From High and Low Level
1.0
1.0
8.0
6.0
11.0
8.5
1.0
1.0
9.5
7.5
12.5
10.5
1.0
1.0
11.5
9.0
13.5
11.5
ns
Output–to–Output Skew
(Note 1)
1.0
1.0
1.5
1.5
1.0
1.0
1.5
1.5
1.5
1.5
ns
AC OPERATING REQUIREMENTS
(tR = tF = 2.5ns; CL = 50pF; RL = 500
)
Limits
TA = +25
°
C
TA = –40
°
C to +85
°
C
VCC = 3.0V to 3.6V
Min
VCC = 3.0V to 3.6V
Min
VCC = 2.7V
Min
VCC = 2.7V
Min
Symbol
Parameter
Unit
ts
th
tw
Setup TIme, HIGH or LOW Dn to LE
3.0
4.0
3.0
4.5
ns
Hold TIme, HIGH or LOW Dn to LE
1.5
1.5
1.5
1.5
ns
LE Pulse Width, HIGH
4.0
5.0
4.0
6.0
ns
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CPD
Power Dissipation Capacitance
10MHz, VCC = 3.3V, VI = 0V or VCC
39
pF
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
4.5
pF
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