The 74AHC574; 74AHCT574 are high-speed Si-gate CMOS devices and are pin compatible with Low Power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
The 74AHC574; 74AHCT574 are octal D-type flip-flops featuring separate D-type inputs for each flip-flop and 3-state outputs for bus oriented applications. A clock (CP) and an output enable (OE) input are common to all flip-flops.
The 8 flip-flops will store the state of their individual D-inputs that meet the set-up and hold times requirements on the LOW-to-HIGH CP transition.
When OE is LOW the contents of the 8 flip-flops are available at the outputs. When OE is HIGH, the outputs go to the high-impedance OFF-state. Operation of the OE input does not affect the state of the flip-flops.
The 74AHC574; 74AHCT574 is functionally identical to the 74AHC564; 74AHCT564, but has non-inverting outputs. The 74AHC574; 74AHCT574 is functionally identical to the 74AHC374; 74AHCT374, but has a different pinning.
| Type number | Orderable part number | Ordering code (12NC) | Product status | Package | Packing | Marking | ECCN |
|---|---|---|---|---|---|---|---|
| 74AHC574BQ | 74AHC574BQ,115 | 9352 855 46115 | Volume production | SOT764-1
(DHVQFN20) | Reel Pack, SMD, 7" | Standard Marking | |
| 74AHC574D | 74AHC574D,112 | 9352 630 80112 | Volume production | SOT163 | Tube | Standard Marking | |
| 74AHC574D | 74AHC574D,118 | 9352 630 80118 | Volume production | SOT163 | Reel Pack, SMD, 13" | Standard Marking | |
| 74AHC574PW | 74AHC574PW,112 | 9352 630 81112 | Volume production | SOT360 | Tube | Standard Marking | |
| 74AHC574PW | 74AHC574PW,118 | 9352 630 81118 | Volume production | SOT360 | Reel Pack, SMD, 13" | Standard Marking | |
| 74AHCT574BQ | 74AHCT574BQ,115 | 9352 855 49115 | Volume production | SOT764-1
(DHVQFN20) | Reel Pack, SMD, 7" | Standard Marking | |
| 74AHCT574D | 74AHCT574D,112 | 9352 630 82112 | Volume production | SOT163 | Tube | Standard Marking | |
| 74AHCT574D | 74AHCT574D,118 | 9352 630 82118 | Volume production | SOT163 | Reel Pack, SMD, 13" | Standard Marking | |
| 74AHCT574PW | 74AHCT574PW,112 | 9352 630 83112 | Volume production | SOT360 | Tube | Standard Marking | |
| 74AHCT574PW | 74AHCT574PW,118 | 9352 630 83118 | Volume production | SOT360 | Reel Pack, SMD, 13" | Standard Marking |
| Type number | Orderable part number | Chemical content | RoHS | Leadfree Conversion date | RHF | IRF (FIT) | MTBF (hours) | MSL |
|---|---|---|---|---|---|---|---|---|
| 74AHC574BQ | 74AHC574BQ,115 | 74AHC574BQ |
| Always Pb-free | 6,62 | 1,51E+08 | 1 | |
| 74AHC574D | 74AHC574D,112 | 74AHC574D |
| week 30, 2004 | 6,62 | 1,51E+08 | 1 | |
| 74AHC574D | 74AHC574D,118 | 74AHC574D |
| week 30, 2004 | 6,62 | 1,51E+08 | 1 | |
| 74AHC574PW | 74AHC574PW,112 | 74AHC574PW |
| week 5, 2005 | 6,62 | 1,51E+08 | 1 | |
| 74AHC574PW | 74AHC574PW,118 | 74AHC574PW |
| week 5, 2005 | 6,62 | 1,51E+08 | 1 | |
| 74AHCT574BQ | 74AHCT574BQ,115 | 74AHCT574BQ |
| Always Pb-free | 6,62 | 1,51E+08 | 1 | |
| 74AHCT574D | 74AHCT574D,112 | 74AHCT574D |
| week 30, 2004 | 6,62 | 1,51E+08 | 1 | |
| 74AHCT574D | 74AHCT574D,118 | 74AHCT574D |
| week 30, 2004 | 6,62 | 1,51E+08 | 1 | |
| 74AHCT574PW | 74AHCT574PW,112 | 74AHCT574PW |
| week 7, 2005 | 6,62 | 1,51E+08 | 1 | |
| 74AHCT574PW | 74AHCT574PW,118 | 74AHCT574PW |
| week 7, 2005 | 6,62 | 1,51E+08 | 1 |
| Type number | Ordering code(12NC) | Orderable part number | Indicative price/unit($) | Region | Distributor | In stock | Order quantity | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC574BQ | 9352 855 46115 | 74AHC574BQ,115 | NA | MOUSER ELECTRONICS | 3,000 | 11/20/2009 | Buy online | not available | ||
| NA | ARROW ELECTRONICS | 3,000 | 11/19/2009 | Buy online | ||||||
| NA | MOUSER ELECTRONICS | 3,000 | 11/20/2009 | Buy online | ||||||
| 74AHC574D | 9352 630 80112 | 74AHC574D,112 | 0.2600 | not available | ||||||
| 74AHC574D | 9352 630 80118 | 74AHC574D,118 | 0.2600 | NA | MOUSER ELECTRONICS | 100 | 11/20/2009 | Buy online | not available | |
| NA | MOUSER ELECTRONICS | 100 | 11/20/2009 | Buy online | ||||||
| ASIA | SAC - Taiwan | yes | 2000 | 11/20/2009 | Buy online | |||||
| 74AHC574PW | 9352 630 81112 | 74AHC574PW,112 | 0.2600 | not available | ||||||
| 74AHC574PW | 9352 630 81118 | 74AHC574PW,118 | 0.2600 | Order samples | ||||||
| 74AHCT574BQ | 9352 855 49115 | 74AHCT574BQ,115 | NA | ARROW ELECTRONICS | 3,000 | 11/19/2009 | Buy online | not available | ||
| 74AHCT574D | 9352 630 82112 | 74AHCT574D,112 | 0.2600 | not available | ||||||
| 74AHCT574D | 9352 630 82118 | 74AHCT574D,118 | 0.2600 | not available | ||||||
| 74AHCT574PW | 9352 630 83112 | 74AHCT574PW,112 | 0.2600 | not available | ||||||
| 74AHCT574PW | 9352 630 83118 | 74AHCT574PW,118 | 0.2600 | ASIA | WPI | 5,000 | 2500 | 11/19/2009 | Buy online | not available |
| Type number | Package | Description | Fmax(MHz) | Propagation Delay(ns) | Voltage | Power Dissipation Considerations | Logic Switching Levels | Output Drive Capability |
|---|---|---|---|---|---|---|---|---|
| 74AHC574D | SOT163
| Octal D-Type Flip-Flop | 130 @ 5 V | 4.4@5V | 2.0-5.5 V | Low Power or Battery Applications | CMOS | +/- 8 mA |
| 74AHC574PW | SOT360
| Octal D-Type Flip-Flop | 130 @ 5 V | 4.4@5V | 2.0-5.5 V | Low Power or Battery Applications | CMOS | +/- 8 mA |
| 74AHCT574D | SOT163
| Octal D-Type Flip-Flop; TTL Enabled | 130 | 4.4 | 4.5-5.5 V | Low Power | TTL | +/- 8 mA |
| 74AHCT574PW | SOT360
| Octal D-Type Flip-Flop; TTL Enabled | 130 | 4.4 | 4.5-5.5 V | Low Power | TTL | +/- 8 mA |
Similar products
74AHC574; 74AHCT574
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.