參數(shù)資料
型號: MC74LVQ138SD
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: LOW-VOLTAGE CMOS DECODER/DEMULTIPLEXER
中文描述: LVQ SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝: PLASTIC, SSOP-16
文件頁數(shù): 4/8頁
文件大小: 222K
代理商: MC74LVQ138SD
MC74LVQ138
MOTOROLA
LVQ DATA
BR1478
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
tPLH
tPHL
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
An to On
1.5
1.5
9.0
9.0
13.0
13.0
1.5
1.5
10.0
14.0
14.5
17.0
1.5
1.5
15.0
15.0
17.0
20.0
ns
Propagation Delay
E1, E2 to On
1.5
1.5
12.0
10.0
15.0
13.0
1.5
1.5
13.0
12.0
17.0
15.0
1.5
1.5
16.0
15.0
20.0
17.0
ns
Propagation Delay
E3 to On
1.5
1.5
11.5
10.0
14.5
12.5
1.5
1.5
13.0
11.0
16.5
14.0
1.5
1.5
16.5
14.5
19.0
16.5
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
1.5
1.5
ns
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CPD
Power Dissipation Capacitance
10MHz, VCC = 3.3V, VI = 0V or VCC
26
pF
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
4.5
pF
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