參數(shù)資料
型號： MC145572PB
廠商： MOTOROLA INC
元件分類： 數(shù)字傳輸電路
英文描述： LOW-VOLTAGE CMOS OCTAL BUFFER
中文描述： DATACOM, ISDN CONTROLLER, PQFP44
封裝： TQFP-44
文件頁數(shù)： 4/9頁
文件大?。?/td> 144K
代理商： MC145572PB
MC74LVQ74
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
VCC = 3.0V to 3.6V
Min
VCC = 2.7V
Max
Symbol
Parameter
Max
Typ
Max
Max
Unit
fmax
tPLH
tPHL
tPLH
tPHL
tOSHL
tOSLH
Maximum Clock Frequency
100
125
55
100
95
MHz
Propagation Delay
CPn to On or On
4.5
3.5
8.0
6.5
13.5
12.5
4.5
3.5
9.5
7.5
17.5
15.0
4.0
3.5
16.0
14.5
20.0
18.0
ns
Propagation Delay
SDn or CDn to On or On
3.5
4.0
6.5
7.0
12.0
12.0
4.0
4.0
7.5
8.0
14.5
15.5
3.5
3.5
13.0
13.5
18.0
18.0
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
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.
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
tw
trec
Setup TIme, HIGH or LOW Dn to CPn
4.0
5.0
4.5
6.5
ns
Hold TIme, HIGH or LOW Dn to CPn
0.5
0.5
0.5
0.5
ns
SDn or CDn Pulse Width, LOW
5.5
7.0
7.0
10.0
ns
CPn Pulse Width HIGH or LOW
5.5
7.0
7.0
10.0
ns
Recovery Time SDn or CDn to CPn
0.0
0.0
0.0
0.0
ns
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Condition
Typical
Unit
CPD
Power Dissipation Capacitance
10MHz, VCC = 3.3V, VI = 0V or VCC
25
pF
CIN
Input Capacitance
VCC = Open, VI = 0V or VCC
4.5
pF
相關(guān)PDF資料
PDF描述
MC74LVQ74D LOW-VOLTAGE CMOS DUAL D-TYPE FLIP-FLOP
MC74LVQ74DT LOW-VOLTAGE CMOS DUAL D-TYPE FLIP-FLOP
MC74LVQ74M LOW-VOLTAGE CMOS DUAL D-TYPE FLIP-FLOP
MC74LVQ74SD LOW-VOLTAGE CMOS DUAL D-TYPE FLIP-FLOP
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