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參數(shù)資料
| 型號(hào)： | SNJ54AHCT273J |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL D-TYPE FLIP-FLOPS WITH CLEAR |
| 中文描述： | 八路D型倒裝，沒有明確的觸發(fā)器 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 408K |
| 代理商： | SNJ54AHCT273J |
SN54AHCT273, SN74AHCT273
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS375E
–
JUNE 1997
–
REVISED APRIL 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
SN54AHCT273
MIN
4.4
SN74AHCT273
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
IOH =
–
50 A
IOH =
–
8 mA
IOL = 50 A
IOL = 8 mA
VI = 5.5 V or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at VCC or GND
VI = VCC or GND
4 5 V
4.5 V
4.5
V
3.94
3.8
3.8
VOL
4 5 V
4.5 V
0.1
0.1
0.1
V
0.36
0.44
0.44
II
ICC
0 V to 5.5 V
±
0.1
±
1*
40
±
1
40
A
IO = 0
5.5 V
4
A
ICC
5.5 V
1.35
1.5
1.5
A
Ci
5 V
2.5
10
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
timing requirements over recommended operating free-air temperature range, V
CC
= 5 V
±
0.5 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
MIN
5
SN54AHCT273
SN74AHCT273
UNIT
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration
CLR low
6
6
ns
CLK high or low
5
6.5
6.5
tsu
Setup time
Data before CLK
↑
CLR before CLK
↑
5
5
5
ns
2.5
2.5
2.5
th
Hold time, data after CLK
↑
0
0
0
ns
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
120**
SN54AHCT273
MIN
65**
SN74AHCT273
MIN
65
UNIT
(OUTPUT)
CAPACITANCE
MIN
75**
MAX
MAX
MAX
fmax
CL = 15 pF
CL = 50 pF
CL = 15 pF
MHz
50
75
45
45
tPHL
tPLH
tPHL
tPHL
tPLH
tPHL
tsk(o)
CLR
Q
7.5**
10**
1**
11.6**
1
11.6
ns
CLK
Q
CL= 15 pF
CL = 15 pF
5.5**
7.5**
1**
8.8**
1
8.8
ns
5.8**
8.2**
1**
10**
1
10
CLR
Q
CL = 50 pF
8.5
11
1
12.6
1
12.6
ns
CLK
Q
CL= 50 pF
CL = 50 pF
6.5
8.5
1
9.8
1
9.8
ns
6.8
9.2
1
11
1
11
CL = 50 pF
1***
1
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
*** On products compliant to MIL-PRF-38535, this parameter does not apply.
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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