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參數(shù)資料
| 型號： | SN74AHC74DB |
| 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 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大小： | 657K |
| 代理商： | SN74AHC74DB |
SN54AHC74, SN74AHC74
DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS255J
–
DECEMBER 1995
–
REVISED JULY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
125*
SN54AHC74
MIN
70*
SN74AHC74
MIN
70
UNIT
(OUTPUT)
CAPACITANCE
MIN
80*
MAX
MAX
MAX
fmax
CL = 15 pF
CL = 50 pF
MHz
50
75
45
45
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
PRE or CLR
Q or Q
CL= 15 pF
CL = 15 pF
7.6*
12.3*
1*
14.5*
1
14.5
ns
7.6*
12.3*
1*
14.5*
1
14.5
CLK
Q or Q
CL= 15 pF
CL = 15 pF
6.7*
11.9*
1*
14*
1
14
ns
6.7*
11.9*
1*
14*
1
14
PRE or CLR
Q or Q
CL= 50 pF
CL = 50 pF
10.1
15.8
1
18
1
18
ns
10.1
15.8
1
18
1
18
CLK
Q or Q
CL= 50 pF
CL = 50 pF
9.2
9.2
15.4
15.4
1
1
17.5
17.5
1
1
17.5
17.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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
170*
SN54AHC74
MIN
110*
SN74AHC74
MIN
110
UNIT
(OUTPUT)
CAPACITANCE
MIN
130*
MAX
MAX
MAX
fmax
CL = 15 pF
CL = 50 pF
MHz
90
115
75
75
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
PRE or CLR
Q or Q
CL= 15 pF
CL = 15 pF
4.8*
7.7*
1*
9*
1
9
ns
4.8*
7.7*
1*
9*
1
9
CLK
Q or Q
CL= 15 pF
4.6*
7.3*
1*
8.5*
1
8.5
ns
4.6*
7.3*
1*
8.5*
1
8.5
PRE or CLR
Q or Q
CL= 50 pF
CL = 50 pF
6.3
9.7
1
11
1
11
ns
6.3
9.7
1
11
1
11
CLK
Q or Q
CL= 50 pF
CL = 50 pF
6.1
6.1
9.3
9.3
1
1
10.5
10.5
1
1
10.5
10.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, V
CC
= 5 V, C
L
= 50 pF, T
A
= 25
°
C (see Note 5
)
PARAMETER
SN74AHC74
MIN
UNIT
MAX
VOL(P)
VOL(V)
VOH(V)
VIH(D)
VIL(D)
NOTE 5: Characteristics are for surface-mount packages only.
Quiet output, maximum dynamic VOL
Quiet output, minimum dynamic VOL
Quiet output, minimum dynamic VOH
High-level dynamic input voltage
0.8
V
–
0.8
V
4.7
V
3.5
V
Low-level dynamic input voltage
1.5
V
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
32
pF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74AHC74DBG4 | 功能描述:觸發(fā)器 Dual Pos-Edge-Trig D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AHC74DBLE | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74AHC74DBR | 功能描述:觸發(fā)器 Dual w/Clear Preset RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AHC74DBRE4 | 功能描述:觸發(fā)器 Dual Pos-Edge-Trig D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74AHC74DBRG4 | 功能描述:觸發(fā)器 Dual Pos-Edge-Trig D-Type Flip-Flop RoHS:否 制造商:Texas Instruments 電路數(shù)量:2 邏輯系列:SN74 邏輯類型:D-Type Flip-Flop 極性:Inverting, Non-Inverting 輸入類型:CMOS 輸出類型: 傳播延遲時間:4.4 ns 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
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