Refer to the PDF data sheet for device specific package drawings
The SNx4HC157 contains four data selectors/multiplexers to select one of two data sources. All channels are controlled by the same address select (A/B) input, and strobe (G) input. A high level at the strobe terminal forces all outputs low.
PART NUMBER | PACKAGE(1) | BODY SIZE (NOM)(2) |
---|---|---|
SN74HC157 | D (SOIC, 16) | 9.90 mm × 3.90 mm |
DB (SSOP, 16) | 6.20 mm × 5.30 mm | |
N (PDIP, 16) | 19.31 mm × 6.35 mm | |
NS (SOP, 16) | 6.20 mm × 5.30 mm | |
PW (TSSOP, 16) | 5.00 mm × 4.40 mm | |
SN54HC157 | J (CDIP, 16) | 24.38 mm × 6.92 mm |
FK (LCCC, 20) | 8.89 mm × 8.45 mm | |
W (CFP, 16) | 10.16 mm × 6.73 mm |
Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages.
Functional Block Diagram