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74HC74DB中文資料
74HC74DB數(shù)據(jù)手冊規(guī)格書PDF詳情
General description
The 74HC74 and 74HCT74 are dual positive edge triggered D-type flip-flop. They have individual data (nD), clock (nCP), set (nSD) and reset (nRD) inputs, and complementary nQ and nQ outputs. Data at the nD-input, that meets the set-up and hold time requirements on the LOW-to-HIGH clock transition, is stored in the flip-flop and appears at the nQ output. Schmitt-trigger action in the clock input, makes the circuit highly tolerant to slower clock rise and fall times. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Features and benefits
■ Input levels:
◆ For 74HC74: CMOS level
◆ For 74HCT74: TTL level
■ Symmetrical output impedance
■ Low power dissipation
■ High noise immunity
■ Balanced propagation delays
■ Specified in compliance with JEDEC standard no. 7A
■ ESD protection:
◆ HBM JESD22-A114F exceeds 2000 V
◆ MM JESD22-A115-A exceeds 200 V
■ Multiple package options
■ Specified from -40 °C to +85 °C and from -40 °C to +125 °C
74HC74DB產(chǎn)品屬性
- 類型
描述
- 型號
74HC74DB
- 功能描述
觸發(fā)器 DUAL D-TYPE POSITIVE EDGE-TRIG
- 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
- 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
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
恩XP |
22+ |
14SSOP |
9000 |
原廠渠道,現(xiàn)貨配單 |
|||
恩XP |
24+ |
20000 |
全新、原裝、現(xiàn)貨 |
||||
恩XP |
25+ |
SOT337 |
188600 |
全新原廠原裝正品現(xiàn)貨 歡迎咨詢 |
|||
恩XP |
23+ |
SSOP14 |
2275 |
全新原裝正品現(xiàn)貨,支持訂貨 |
|||
恩XP |
21+ |
SSOP14 |
2273 |
原裝現(xiàn)貨假一賠十 |
|||
恩XP |
25+ |
14-SSOP |
9350 |
獨立分銷商 公司只做原裝 誠心經(jīng)營 免費試樣正品保證 |
|||
Nexperia(安世) |
24+ |
SSOP14 |
1676 |
只做原裝,提供一站式配單服務(wù),代工代料。BOM配單 |
|||
ph |
24+ |
N/A |
6980 |
原裝現(xiàn)貨,可開13%稅票 |
|||
PHI |
24+ |
SSOP14 |
2650 |
原裝優(yōu)勢!絕對公司現(xiàn)貨 |
|||
Nexperia/安世 |
22+ |
SOT337-1 |
43680 |
原廠原裝正品現(xiàn)貨 |
74HC74DB,118 價格
參考價格:¥0.8144
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Datasheet數(shù)據(jù)表PDF頁碼索引
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