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參數(shù)資料
| 型號： | SNJ54F74FK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 鎖存器 |
| 英文描述： | F/FAST SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 672K |
| 代理商： | SNJ54F74FK |
SN54F74, SN74F74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SDFS046A – MARCH 1987 – REVISED OCTOBER 1993
2–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics (see Note 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 ,
TA = 25°C
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 ,
TA = MIN to MAX
UNIT
(INPUT)
(OUTPUT)
′F74
SN54F74
SN74F74
MIN
TYP
MAX
MIN
MAX
MIN
MAX
fmax
100
145
80
100
MHz
tPLH
CLK
QorQ
3
4.9
6.8
3.8
8.5
3
7.8
ns
tPHL
CLK
Q or Q
3.6
5.8
8
4.4
10.5
3.6
9.2
ns
tPLH
PRE or CLR
QorQ
2.4
4.2
6.1
3.2
8
2.4
7.1
ns
tPHL
PRE or CLR
Q or Q
2.7
6.6
9
3.5
11.5
2.7
10.5
ns
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.
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