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參數(shù)資料
| 型號： | AC109M |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET |
| 中文描述： | 雙JK上升沿觸發(fā)器，沒有明確的和預(yù)置觸發(fā)器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 355K |
| 代理商： | AC109M |
CD54AC109, CD74AC109
DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCHS326
–
JANUARY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V
(unless otherwise noted)
–
55
°
C to
125
°
C
–
40
°
C to
85
°
C
UNIT
MIN
MAX
MIN
MAX
fclock
Clock frequency
71
81
MHz
tw
Pulse duration
CLK high or low
7
6
ns
CLR or PRE
6.3
5.5
tsu
th
trec
Setup time, before CLK
↑
Hold time, after CLK
↑
Recovery time, before CLK
↑
J or K
7.7
6.8
ns
J or K
CLR
↑
or PRE
↑
0
0
ns
3.5
3.1
ns
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V
(unless otherwise noted)
–
55
°
C to
125
°
C
–
40
°
C to
85
°
C
UNIT
MIN
MAX
MIN
MAX
fclock
Clock frequency
100
114
MHz
tw
Pulse duration
CLK high or low
5
4.4
ns
CLR or PRE
4.5
3.9
tsu
th
trec
Setup time, before CLK
↑
Hold time, after CLK
↑
Recovery time, before CLK
↑
J or K
5.5
4.8
ns
J or K
CLR
↑
or PRE
↑
0
0
ns
2.5
2.2
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 1.5 V, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–
55
°
C to
125
°
C
–
40
°
C to
85
°
C
UNIT
MIN
MAX
MIN
MAX
fmax
8
9
MHz
tPLH
CLK
Q or Q
129
117
ns
CLR or PRE
153
139
tPHL
CLK
Q or Q
129
153
117
139
ns
CLR or PRE
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
–
55
°
C to
125
°
C
–
40
°
C to
85
°
C
UNIT
MIN
MAX
MIN
MAX
fmax
71
81
MHz
tPLH
CLK
Q or Q
3.6
14.4
3.7
13.1
ns
CLR or PRE
4.3
17.1
4.4
15.5
tPHL
CLK
Q or Q
3.6
4.3
14.4
17.1
3.7
4.4
13.1
15.5
ns
CLR or PRE
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