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74HC21
Datasheet
General description
The 74HC21 is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). The 74HC21 is specified in compliance with JEDEC standard no. 7A.
The 74HC21 provide the 4-input AND function.
Features
- Low-power dissipation
- Complies with JEDEC standard no. 7A
- ESD protection:
- HBM EIA/JESD22-A114-B exceeds 2000 V
- MM EIA/JESD22-A115-A exceeds 200 V.
- Multiple package options
- Specified from -40 Cel to +80Cel and from -40 Cel to +125 Cel.
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| 74HC21D | 74HC21D | 9337 568 70652 | Volume production | SOT108-1
(SO14) | Bulk Pack, CECC | Standard Marking | 74HC21D
| week 5, 2004 |
| 74HC21D | 74HC21D-T | 9337 568 70653 | Volume production | SOT108-1
(SO14) | Reel Pack, SMD, 13", CECC | Standard Marking | 74HC21D
| week 5, 2004 |
| 74HC21DB | 74HC21DB | 9351 897 90112 | Volume production | SOT337-1
(SSOP14) | Tube | Standard Marking | 74HC21DB
| week 12, 2005 |
| 74HC21DB | 74HC21DB-T | 9351 897 90118 | Volume production | SOT337-1
(SSOP14) | Reel Pack, SMD, 13" | Standard Marking | 74HC21DB
| week 12, 2005 |
| 74HC21N | 74HC21N | 9337 568 60652 | Volume production | SOT27-1
(DIP14) | Bulk Pack, CECC | Standard Marking | 74HC21N
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| 74HC21D | 9337 568 70652 | 0.1500 | NA | ARROW ELECTRONICS | 5,606 | 9/4/2008 | Buy online | not available |
| EU | FARNELL | 278 | 9/4/2008 | Buy online | ||||
| NA | NEWARK | 278 | 9/5/2008 | Buy online | ||||
| 74HC21D | 9337 568 70653 | 0.1500 | NA | FUTURE ELECTRONICS | 2,940 | 9/4/2008 | Buy online | Order samples |
| 74HC21DB | 9351 897 90112 | 0.1800 | not available | |||||
| 74HC21DB | 9351 897 90118 | 0.1800 | Order samples | |||||
| 74HC21N | 9337 568 60652 | 0.2100 | NA | ARROW ELECTRONICS | 334 | 9/4/2008 | Buy online | Order samples |
| EU | FARNELL | 1,037 | 9/4/2008 | Buy online | ||||
| NA | NEWARK | 1,037 | 9/5/2008 | Buy online |
Parametrics/similar products
| Type number | Package | Description | Propagation Delay(ns) | Voltage | No. of Pins | Power Dissipation Considerations | Logic Switching Levels | Output Drive Capability |
|---|---|---|---|---|---|---|---|---|
| 74HC21D | SOT108-1
(SO14) | Dual 4-Input AND Gate | 10@5V | 2.0-6.0 V | 14 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HC21DB | SOT337-1
(SSOP14) | Dual 4-Input AND Gate | 10@5V | 2.0-6.0 V | 14 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
| 74HC21N | SOT27-1
(DIP14) | Dual 4-Input AND Gate | 10@5V | 2.0-6.0 V | 14 | Low Power or Battery Applications | CMOS | +/- 5.2 mA |
Similar products
74HC21 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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