The 74HC273; 74HCT273 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL).
The 74HC273; 74HCT273 has eight edge-triggered, D-type flip-flops with individual D inputs and Q outputs. The common clock (pin CP) and master reset (pin MR) inputs load and reset (clear) all flip-flops simultaneously. The state of each D input, one set-up time before the LOW-to-HIGH clock transition, is transferred to the corresponding output (Qn) of the flip-flop.
All outputs will be forced LOW independently of clock or data inputs by a LOW voltage level on the MR input.
The device is useful for applications where the true output only is required and the clock and master reset are common to all storage elements.
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| 74HC273BQ | 74HC273BQ-G | 9352 745 87115 | Volume production | SOT764-1
(DHVQFN20) | Reel Pack, SMD, 7" | Standard Marking | 74HC273BQ
| Always Pb-free |
| 74HC273D | 74HC273D | 9337 154 40652 | Volume production | SOT163-1
(SO20) | Bulk Pack, CECC | Standard Marking | 74HC273D
| week 30, 2004 |
| 74HC273D | 74HC273D-T | 9337 154 40653 | Volume production | SOT163-1
(SO20) | Reel Pack, SMD, 13", CECC | Standard Marking | 74HC273D
| week 30, 2004 |
| 74HC273DB | 74HC273DB | 9351 747 30112 | Volume production | SOT339-1
(SSOP20) | Tube | Standard Marking | 74HC273DB
| week 17, 2005 |
| 74HC273DB | 74HC273DB-T | 9351 747 30118 | Volume production | SOT339-1
(SSOP20) | Reel Pack, SMD, 13" | Standard Marking | 74HC273DB
| week 17, 2005 |
| 74HC273N | 74HC273N | 9336 705 60652 | Volume production | SOT146-1
(DIP20) | Bulk Pack, CECC | Standard Marking | 74HC273N
| Always Pb-free |
| 74HC273PW | 74HC273PW | 9351 858 30112 | Volume production | SOT360-1
(TSSOP20) | Tube | Standard Marking | 74HC273PW
| week 7, 2005 |
| 74HC273PW | 74HC273PW-T | 9351 858 30118 | Volume production | SOT360-1
(TSSOP20) | Reel Pack, SMD, 13" | Standard Marking | 74HC273PW
| week 7, 2005 |
| 74HCT273BQ | 74HCT273BQ-G | 9352 745 88115 | Volume production | SOT764-1
(DHVQFN20) | Reel Pack, SMD, 7" | Standard Marking | 74HCT273BQ
| Always Pb-free |
| 74HCT273D | 74HCT273D | 9337 155 50652 | Volume production | SOT163-1
(SO20) | Bulk Pack, CECC | Standard Marking | 74HCT273D
| week 30, 2004 |
| 74HCT273D | 74HCT273D-T | 9337 155 50653 | Volume production | SOT163-1
(SO20) | Reel Pack, SMD, 13", CECC | Standard Marking | 74HCT273D
| week 30, 2004 |
| 74HCT273DB | 74HCT273DB | 9351 835 80112 | Volume production | SOT339-1
(SSOP20) | Tube | Standard Marking | 74HCT273DB
| week 17, 2005 |
| 74HCT273DB | 74HCT273DB-T | 9351 835 80118 | Volume production | SOT339-1
(SSOP20) | Reel Pack, SMD, 13" | Standard Marking | 74HCT273DB
| week 17, 2005 |
| 74HCT273N | 74HCT273N | 9336 708 10652 | Volume production | SOT146-1
(DIP20) | Bulk Pack, CECC | Standard Marking | 74HCT273N
| Always Pb-free |
| 74HCT273PW | 74HCT273PW | 9351 858 20112 | Volume production | SOT360-1
(TSSOP20) | Tube | Standard Marking | 74HCT273PW
| week 7, 2005 |
| 74HCT273PW | 74HCT273PW-T | 9351 858 20118 | Volume production | SOT360-1
(TSSOP20) | Reel Pack, SMD, 13" | Standard Marking | 74HCT273PW
| week 7, 2005 |
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| 74HC273BQ | 9352 745 87115 | 0.3600 | Order samples | |||||
| 74HC273D | 9337 154 40652 | 0.2500 | NA | ARROW ELECTRONICS | 6,079 | 10/8/2008 | Buy online | not available |
| NA | AVNET ELECTRONICS MARKETING | 9,105 | 10/8/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 3,662 | 10/9/2008 | Buy online | ||||
| EU | FARNELL | 1,300 | 10/9/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS- NORTH AMER | 7,870 | 10/8/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 1,477 | 10/9/2008 | Buy online | ||||
| 74HC273D | 9337 154 40653 | 0.2500 | ASIA | WPI | 20,000 | 10/09/2008 | Buy online | Order samples |
| NA | ARROW ELECTRONICS | 4,000 | 10/8/2008 | Buy online | ||||
| NA | AVNET ELECTRONICS MARKETING | 68,000 | 10/8/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 6,000 | 10/9/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 1,827 | 10/9/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS- NORTH AMER | 54,000 | 10/8/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 1,845 | 10/9/2008 | Buy online | ||||
| NA | NEWARK | 250 | 10/9/2008 | Buy online | ||||
| 74HC273DB | 9351 747 30112 | 0.2500 | not available | |||||
| 74HC273DB | 9351 747 30118 | 0.2500 | ASIA | WPI | 3,000 | 10/09/2008 | Buy online | Order samples |
| 74HC273N | 9336 705 60652 | 0.2500 | NA | ARROW ELECTRONICS | 2,321 | 10/8/2008 | Buy online | not available |
| NA | AVNET ELECTRONICS MARKETING | 3,057 | 10/8/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 4,356 | 10/9/2008 | Buy online | ||||
| EU | FARNELL | 861 | 10/9/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS- NORTH AMER | 15,063 | 10/8/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 1,068 | 10/9/2008 | Buy online | ||||
| NA | NEWARK | 861 | 10/9/2008 | Buy online | ||||
| ASIA | WPI | 7,200 | 10/09/2008 | Buy online | ||||
| 74HC273PW | 9351 858 30112 | 0.2500 | NA | ARROW ELECTRONICS | 220 | 10/8/2008 | Buy online | not available |
| NA | AVNET ELECTRONICS MARKETING | 3,750 | 10/8/2008 | Buy online | ||||
| 74HC273PW | 9351 858 30118 | 0.2500 | NA | AVNET ELECTRONICS MARKETING | 2,500 | 10/8/2008 | Buy online | Order samples |
| NA | FUTURE ELECTRONICS- NORTH AMER | 3,000 | 10/8/2008 | Buy online | ||||
| 74HCT273BQ | 9352 745 88115 | 0.3600 | Order samples | |||||
| 74HCT273D | 9337 155 50652 | 0.2500 | NA | ARROW ELECTRONICS | 12,946 | 10/8/2008 | Buy online | not available |
| NA | AVNET ELECTRONICS MARKETING | 5,386 | 10/8/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 3,051 | 10/9/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS- NORTH AMER | 4,715 | 10/8/2008 | Buy online | ||||
| ASIA | WPI | 380 | 10/09/2008 | Buy online | ||||
| 74HCT273D | 9337 155 50653 | 0.2500 | ASIA | WPI | 8,000 | 10/09/2008 | Buy online | Order samples |
| NA | AVNET ELECTRONICS MARKETING | 10,000 | 10/8/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 6,000 | 10/9/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 1,808 | 10/9/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS- NORTH AMER | 9,888 | 10/8/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 2,000 | 10/9/2008 | Buy online | ||||
| 74HCT273DB | 9351 835 80112 | 0.3000 | Order samples | |||||
| 74HCT273DB | 9351 835 80118 | 0.3000 | not available | |||||
| 74HCT273N | 9336 708 10652 | 0.2500 | NA | ARROW ELECTRONICS | 2,841 | 10/8/2008 | Buy online | Order samples |
| NA | AVNET ELECTRONICS MARKETING | 2,703 | 10/8/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 3,841 | 10/9/2008 | Buy online | ||||
| EU | FARNELL | 456 | 10/9/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS- NORTH AMER | 8,689 | 10/8/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 1,171 | 10/9/2008 | Buy online | ||||
| NA | NEWARK | 456 | 10/9/2008 | Buy online | ||||
| 74HCT273PW | 9351 858 20112 | 0.2500 | not available | |||||
| 74HCT273PW | 9351 858 20118 | 0.2500 | ASIA | WPI | 2,500 | 10/09/2008 | Buy online | Order samples |
Support Documents
| Type number | Package | Description | Fmax(MHz) | Propagation Delay(ns) | Voltage | No. of Pins | Power Dissipation Considerations | Logic Switching Levels | Output Drive Capability |
|---|---|---|---|---|---|---|---|---|---|
| 74HC273BQ | SOT764-1
(DHVQFN20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger | 122 | 15@5V | 2.0-6.0 V | 20 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HC273D | SOT163-1
(SO20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger | 122 | 15@5V | 2.0-6.0 V | 20 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HC273DB | SOT339-1
(SSOP20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger | 122 | 15@5V | 2.0-6.0 V | 20 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HC273N | SOT146-1
(DIP20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger | 122 | 15@5V | 2.0-6.0 V | 20 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HC273PW | SOT360-1
(TSSOP20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger | 122 | 15@5V | 2.0-6.0 V | 20 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HCT273BQ | SOT764-1
(DHVQFN20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger; TTL Enabled | 36 | 15 | 4.5-5.5V | 20 | Low Power | TTL | +/- 4 mA |
| 74HCT273D | SOT163-1
(SO20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger; TTL Enabled | 36 | 15 | 4.5-5.5V | 20 | Low Power | TTL | +/- 4 mA |
| 74HCT273DB | SOT339-1
(SSOP20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger; TTL Enabled | 36 | 15 | 4.5-5.5V | 20 | Low Power | TTL | +/- 4 mA |
| 74HCT273N | SOT146-1
(DIP20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger; TTL Enabled | 36 | 15 | 4.5-5.5V | 20 | Low Power | TTL | +/- 4 mA |
| 74HCT273PW | SOT360-1
(TSSOP20) | D-Type Flip-Flop with Reset; Positive-Edge Trigger; TTL Enabled | 36 | 15 | 4.5-5.5V | 20 | Low Power | TTL | +/- 4 mA |
74HC273; 74HCT273 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.
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