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参数资料
| 型号： | SN74LV74ANS |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 锁存器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14 |
| 封装： | PLASTIC, SOP-14 |
| 文件页数： | 6/8页 |
| 文件大小： | 150K |
| 代理商： | SN74LV74ANS |
SN54LV74A, SN74LV74A
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
SCLS381E – AUGUST 1997 – REVISED MAY 2000
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV74A
SN74LV74A
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
80*
140*
70*
70
MHz
fmax
CL = 50 pF
50
90
45
MHz
t d
PRE or CLR
QorQ
CL =15 pF
6.9*
12.3*
1*
14.5*
1
14.5
ns
tpd
CLK
Q or Q
CL = 15 pF
7.9*
11.9*
1*
14*
1
14
ns
t d
PRE or CLR
QorQ
CL =50 pF
9.2
15.8
1
18
1
18
ns
tpd
CLK
Q or Q
CL = 50 pF
10.2
15.4
1
17.5
1
17.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV74A
SN74LV74A
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
130*
180*
110*
110
MHz
fmax
CL = 50 pF
90
140
75
MHz
t d
PRE or CLR
QorQ
CL =15 pF
5*
7.7*
1*
9*
1
9
ns
tpd
CLK
Q or Q
CL = 15 pF
5.6*
7.3*
1*
8.5*
1
8.5
ns
t d
PRE or CLR
QorQ
CL =50 pF
6.6
9.7
1
11
1
11
ns
tpd
CLK
Q or Q
CL = 50 pF
7.2
9.3
1
10.5
1
10.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, VCC = 3.3 V, CL = 50 pF, TA = 25°C (see Note 5)
PARAMETER
SN74LV74A
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.1
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0
–0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
3.2
V
VIH(D)
High-level dynamic input voltage
2.31
V
VIL(D)
Low-level dynamic input voltage
0.99
V
NOTE 5: Characteristics are for surface-mount packages only.
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
VCC
TYP
UNIT
Cpd
Power dissipation capacitance
CL =50 pF
f=10MHz
3.3 V
21
pF
Cpd
Power dissi ation ca acitance
CL = 50 F,
f = 10 MHz
5 V
23
F
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