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參數(shù)資料
| 型號： | SN74ACT74PWRE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 鎖存器 |
| 英文描述： | ACT SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14 |
| 封裝： | GREEN, PLASTIC, TSSOP-14 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大小： | 802K |
| 代理商： | SN74ACT74PWRE4 |
SN54ACT74, SN74ACT74
DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS
WITH CLEAR AND PRESET
SCAS520H AUGUST 1995 REVISED OCTOBER 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature (unless otherwise
noted) (see Figure 1)
FROM
TO
SN74ACT74
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C
MIN
MAX
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
UNIT
fmax
145
210
125
MHz
tPLH
PRE or CLR
Q or Q
3
5.5
9.5
2.5
10.5
ns
tPHL
PRE or CLR
Q or Q
3
6
10
3
11.5
ns
tPLH
CLK
Q or Q
4
7.5
11
4
13
ns
tPHL
CLK
Q or Q
3.5
6
10
3
11.5
ns
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 1 MHz
45
pF
PARAMETER MEASUREMENT INFORMATION
50% VCC
3 V
0 V
th
tsu
VOLTAGE WAVEFORMS
Data Input
tPLH
tPHL
tPLH
VOH
VOL
3 V
0 V
50% VCC
Input
Out-of-Phase
Output
In-Phase
Output
Timing Input
50% VCC
VOLTAGE WAVEFORMS
tPLH/tPHL
Open
TEST
S1
3 V
0 V
tw
VOLTAGE WAVEFORMS
Input
NOTES: A. CL includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR
≤ 1 MHz, ZO = 50 , tr ≤ 2.5 ns, tf ≤ 2.5 ns.
C. The outputs are measured one at a time with one input transition per measurement.
LOAD CIRCUIT
From Output
Under Test
CL = 50 pF
(see Note A)
S1
2
× VCC
500
500
Open
1.5 V
Figure 1. Load Circuit and Voltage Waveforms
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ACT74PWRG4 | 功能描述:觸發(fā)器 Dual Pos Edge Trgrd DType FlipFlop 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 安裝風格:SMD/SMT 封裝 / 箱體:X2SON-8 封裝:Reel |
| SN74ACT7801-15FN | 功能描述:先進先出 1024 x 18 synch 先進先出 Memory RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝: |
| SN74ACT7801-18FNR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74ACT7801-20FN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74ACT7802-25FN | 功能描述:先進先出 1024 X 18 Synch 先進先出 Memory RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝: |
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