SN75ALS127

ą Meets IBM 360/370 I/O Specification Input Resistance . . . 7 kΩ to 20 kΩ Output Compatible with TTL IMPACT Low-Power Schottky Technology Operates from Single 5-V Supply High Speed . . . Low Propagation Delay Ratio Specification for Propagation Delay Time, Low-to-High/High-to-Low Glitch-Free Power-Up and Power-Down Seven Channels in One 16-Pin Package Standard VCC and Ground Positioning on SN75ALS127 description The SN75ALS125 and SN75ALS127 are monolithic seven-channel line receivers designed to satisfy the requirements of the IBM System 360/370 input/output interface specifications. Employing the IMPACT process allows low supply-current requirements while maintaining fast switching speeds and high-current TTL outputs. The SN75ALS125 and SN75ALS127 are characterized for operation from 0°C to 70°C. logic symbols† 1 1A 2 2A 3 3A 4 4A 5 5A 6 6A 7 7A SN75ALS125 16 1Y 9 2Y 14 3Y 13 4Y 12 5Y 11 6Y 10 7Y † These symbols are in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. SN75ALS125, SN75ALS127 SEVENĆCHANNEL LINE RECEIVERS ą SLLS027B − D2239, APRIL 1987 − REVISED AUGUST 1989 SN75ALS125 . . . D, J, OR N PACKAGE (TOP VIEW) 1A 2A 3A 4A 5A 6A 7A GND 1 2 3 4 5 6 7 8 16 1Y 15 VCC 14 3Y 13 4Y 12 5Y 11 6Y 10 7Y 9 2Y SN75ALS127 . . . D, J, OR N PACKAGE (TOP VIEW) 1A 2A 3A 4A 5A 6A 7A GND 1 2 3 4 5 6 7 8 16 VCC 15 1Y 14 2Y 13 3Y 12 4Y 11 5Y 10 6Y 9 7Y 1 1A 2 2A 3 3A 4 4A 5 5A 6 6A 7 7A SN75ALS127 15 1Y 14 2Y 13 3Y 12 4Y 11 5Y 10 6Y ...