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參數(shù)資料
| 型號： | SN54ACT374W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路D型沿觸發(fā)器與觸發(fā)器3態(tài)輸出 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 83K |
| 代理商： | SN54ACT374W |
SN54ACT374, SN74ACT374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS539E – OCTOBER 1995 – REVISED JANUARY 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ACT374
MIN
SN74ACT374
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
IOH
IOL
t/
v
TA
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report
Implications of Slow or Floating CMOS Inputs literature number SCBA004.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
VCC
VCC
–24
0
VCC
VCC
–24
V
Output voltage
0
0
V
High-level output current
mA
Low-level output current
24
24
mA
Input transition rise or fall rate
0
8
0
8
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
4.49
SN54ACT374
SN74ACT374
UNIT
MIN
4.4
MAX
MIN
4.4
MAX
MIN
4.4
MAX
IOH= 50
μ
IOH = –50
A
4.5 V
5.5 V
5.4
5.49
5.4
5.4
VOH
IOH= 24 mA
IOH = –24 mA
4.5 V
3.86
3.7
3.76
V
5.5 V
4.86
4.7
4.76
IOH = –50 mA
IOH = –75 mA
5.5 V
3.85
5.5 V
3.85
IOL= 50
μ
IOL = 50
A
4.5 V
0.1
0.1
0.1
5.5 V
0.1
0.1
0.1
VOL
IOL= 24 mA
IOL = 24 mA
4.5 V
0.36
0.44
0.44
V
5.5 V
0.36
0.5
0.44
IOL = 50 mA
IOL = 75 mA
VO = VCC or GND
VI = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at GND or VCC
VI = VCC or GND
5.5 V
1.65
5.5 V
1.65
±
2.5
±
1
40
IOZ
II
ICC
5.5 V
±
0.25
±
0.1
±
5
±
1
80
μ
A
μ
A
μ
A
5.5 V
IO = 0
5.5 V
4
ICC
5.5 V
0.6
1.6
1.5
mA
Ci
5 V
4.5
pF
Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms.
This is the increase in supply current for each input that is 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
SN54ACT374
MIN
SN74ACT374
MIN
UNIT
MAX
MAX
MAX
tw
tsu
th
Pulse duration, CLK high or low
Setup time, data before CLK
↑
Hold time, data after CLK
↑
5
5
5
ns
5
5.5
5.5
ns
1.5
1.5
1.5
ns
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