SN74LS257B Datasheet, PDF (2/8 Pages) ON Semiconductor – LOW POWER SCHOTTKY

SN74LS257B SN74LS258B
CONNECTION DIAGRAM DIP (TOP VIEW)
V_CC E₀ I_0c I_1c Z_c I_0d I_1d Z_d
16 15 14 13 12 11 10 9
SN74LS257B
V_CC = PIN 16
GND = PIN 8
1 2 3 4 56 78
S I_0a I_1a Z_a I_0b I_1b Z_b GND
V_CC E₀ I_0c I_1c Z_c I_0d I_1d Z_d
16 15 14 13 12 11 10 9
SN74LS258B
NOTE:
The Flatpak version has the same
pinouts (Connection Diagram) as
the Dual In-Line Package.
1 2 3 4 56 78
S I_0a I_1a Z_a I_0b I_1b Z_b GND
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