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參數(shù)資料
| 型號(hào)： | SN54LV273AFK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 鎖存器 |
| 英文描述： | LV/LV-A/LVX/H SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20 |
| 封裝： | CERAMIC, CC-20 |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大小： | 200K |
| 代理商： | SN54LV273AFK |
SN54LV273A, SN74LV273A
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS399B – APRIL 1998 – 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
SN54LV273A
SN74LV273A
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
75*
140*
65*
65
MHz
fmax
CL = 50 pF
50
110
45
MHz
tpd
CLK
Q
CL =15 pF
7.1*
13.6*
1*
16*
1
16
ns
tPHL
CLR
Q
CL = 15 pF
6.9*
13.6*
1*
16*
1
16
ns
tpd
CLK
Q
9.1
17.1
1
19.5
1
19.5
tPHL
CLR
Q
CL = 50 pF
8.7
17.1
1
19.5
1
19.5
ns
tsk(o)
1.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching
characteristics
over
operating
free-air
temperature
range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV273A
SN74LV273A
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
120*
205*
100*
100
MHz
fmax
CL = 50 pF
80
160
70
MHz
tpd
CLK
Q
CL =15 pF
4.8*
9*
1*
10.5*
1
10.5
ns
tPHL
CLR
Q
CL = 15 pF
4.7*
8.5*
1*
10*
1
10
ns
tpd
CLK
Q
6.2
11
1
12.5
1
12.5
tPHL
CLR
Q
CL = 50 pF
6
10.5
1
12
1
12
ns
tsk(o)
1
* 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
SN74LV273A
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.4
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
–0.4
–0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
2.9
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
15.9
pF
Cpd
Power dissi ation ca acitance
CL = 50 F,
f = 10 MHz
5 V
17.1
F
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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