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| 型号： | SN74HC74ADBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 锁存器 |
| 英文描述： | HC/UH SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14 |
| 封装： | SSOP-14 |
| 文件页数： | 7/9页 |
| 文件大小： | 144K |
| 代理商： | SN74HC74ADBR |
SN74HC74, Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset
DEVICE STATUS: ACTIVE
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Package Options Include Plastic Small-Outline (D), Shrink Small-Outline (DB), Thin Shrink
Small-Outline (PW), and Ceramic Flat (W) Packages, Ceramic Chip Carriers (FK), and
Standard Plastic (N) and Ceramic (J) 300-mil DIPs
The 'HC74 contain two independent D-type positive-edge-triggered flip-flops. A low level at
the preset (PRE\) or clear (CLR\) inputs sets or resets the outputs regardless of the levels of
the other inputs. When PRE\ and CLR\ are inactive (high), data at the data (D) input meeting
the setup time requirements are transferred to the outputs on the positive-going edge of the
clock (CLK) pulse. Clock triggering occurs at a voltage level and is not directly related to the
rise time of CLK. Following the hold-time interval, data at the D input can be changed without
affecting the levels at the outputs.
The SN54HC74 is characterized for operation over the full military temperature range -55°C to
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PRODUCT SUPPORT: TRAINING
PARAMETER NAME SN74HC74
Voltage Nodes (V) 6, 5, 2
Vcc range (V)
2.0 to 6.0
Input Level
CMOS
Output Level
CMOS
Output Drive (mA) -4/4
Output
3S
No. of Bits
2
Static Current
0.04
th (ns)
0
tpd(max) (ns)
37
tsu (ns)
21
FEATURES
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相关PDF资料 |
PDF描述 |
|---|---|
| SN74HC74N-00 | HC/UH SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14 |
| SNJ54HC74J-00 | HC/UH SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CDIP14 |
| SN74HC78N-00 | HC/UH SERIES, NEGATIVE EDGE TRIGGERED J-K FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14 |
| SN74HC804DW | HC/UH SERIES, HEX 2-INPUT NAND GATE, PDSO20 |
| SNJ54HC804FK | HC/UH SERIES, HEX 2-INPUT NAND GATE, CQCC20 |
相关代理商/技术参数 |
参数描述 |
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| SN74HC74AN | 制造商:Texas Instruments 功能描述: |
| SN74HC74AN-P2 | 制造商:Texas Instruments 功能描述: |
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| SN74HC74ANSR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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