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參數(shù)資料
| 型號(hào)： | SN54AHC74FK |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| 中文描述： | 雙上升沿觸發(fā)的，有清除和預(yù)設(shè)功能的D型觸發(fā)器 |
| 文件頁(yè)數(shù)： | 4/19頁(yè) |
| 文件大?。?/td> | 657K |
| 代理商： | SN54AHC74FK |
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SN54AHC74, SN74AHC74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS255J
–
DECEMBER 1995
–
REVISED JULY 2003
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
SN54AHC74
MIN
1.9
SN74AHC74
MIN
1.9
UNIT
MIN
1.9
MAX
MAX
MAX
2 V
2
IOH =
–
50 A
3 V
2.9
3
2.9
2.9
VOH
4.5 V
4.4
4.5
4.4
4.4
V
IOH =
–
4 mA
IOH =
–
8 mA
3 V
2.58
2.48
2.48
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 A
3 V
0.1
0.1
0.1
VOL
4.5 V
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 8 mA
VI = 5.5 V or GND
VI = VCC or GND,
VI = VCC or GND
3 V
0.36
0.5
0.44
4.5 V
0.36
±
0.1
0.5
±
1*
20
0.44
±
1
20
II
ICC
Ci
0 V to 5.5 V
A
IO = 0
5.5 V
2
A
5 V
2
10
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
timing requirements over recommended operating free-air temperature range, V
CC
= 3.3 V
±
0.3 V
(unless otherwise noted) (see Figure 1)
TA = 25
°
C
MIN
6
SN54AHC74
MIN
7
SN74AHC74
MIN
7
UNIT
MAX
MAX
MAX
tw
Pulse duration
PRE or CLR low
ns
CLK
6
7
7
tsu
Setup time before CLK
↑
Data
6
7
7
ns
PRE or CLR inactive
5
5
5
th
Hold time, data after CLK
↑
0.5
0.5
0.5
ns
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
SN54AHC74
SN74AHC74
UNIT
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration
PRE or CLR low
5
5
ns
CLK
5
5
5
tsu
Setup time before CLK
↑
Data
5
5
5
ns
PRE or CLR inactive
3
3
3
th
Hold time, data after CLK
↑
0.5
0.5
0.5
ns
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| SN54AHC74J | DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| SN54AHC74W | DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54AHC74J | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| SN54AHC74W | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| SN54AHC86 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES |
| SN54AHC86_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES |
| SN54AHC86_08 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT EXCLUSIVE-OR GATES |
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