Download the EP9128 datasheet PDF.
This datasheet also covers the EP9100 variant, as both devices belong to the same smd 28 pin 5 tap ttl family and are provided as variant models within a single manufacturer datasheet.
J-Lead Part Number
EP9100(-RC) EP9101(-RC) EP9102(-RC) EP9103(-RC) EP9104(-RC) EP9105(-RC) EP9106(-RC) EP9107(-RC) 28 Pin SMD 5 Tap TTL Compatible Active Delay Lines ELECTRONICS INC.