Features and benefits
- Fully static operation
- 5 V, 10 V, and 15 V parametric ratings
- Standardized symmetrical output characteristics
- Specified from -40 °C to +85 °C
- Complies with JEDEC standard JESD 13-B
Applications
Parametrics
Type number | Product status | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | No of bits | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HEF4557BT | End of life | 3.0 - 15 | CMOS | ± 2.4 | 65 | 20 | 64 | medium | -40~85 | 49 | 1.0 | 8 | SO16 |
Package
All type numbers in the table below are discontinued. See the table Discontinuation information for more information.
Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
---|---|---|---|---|---|---|---|
HEF4557BT | HEF4557BT,653 ( 9333 733 30653 ) | Discontinued / End-of-life | HEF4557BT | ![]() SO16 (SOT109-1) | SOT109-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 CECC |
HEF4557BT,652 ( 9333 733 30652 ) | Discontinued / End-of-life | HEF4557BT | Bulk Pack, CECC |
Discontinuation information
Type number | Orderable part number | Ordering code | Last time buy date | Last time delivery date | Replacement product | Status | Comments |
---|---|---|---|---|---|---|---|
HEF4557BT | HEF4557BT,653 | 933373330653 | 2021-06-30 | 2021-12-31 | No replacement | Version withdrawal | |
HEF4557BT | HEF4557BT,652 | 933373330652 | 2021-06-30 | 2021-12-31 | No replacement | Version withdrawal |
Quality, reliability & chemical content
All type numbers in the table below are discontinued. See the table Discontinuation information for more information.
Type number | Orderable part number | Chemical content | RoHS / RHF | MSL | MSL leadfree |
---|---|---|---|---|---|
HEF4557BT | HEF4557BT,653 | HEF4557BT | ![]() ![]() | 1 | 1 |
HEF4557BT | HEF4557BT,652 | HEF4557BT | ![]() ![]() | 1 | 1 |
Documentation (4)
File name | Title | Type | Date |
---|---|---|---|
HEF4557B | 1-to-64 bit variable length shift register | Data sheet | 2017-03-17 |
AN11051 | Pin FMEA HEF4000 family | Application note | 2019-01-09 |
SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
Support
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