PDU18F

www.DataSheet4U.com PDU18F 8-BIT PROGRAMMABLE DELAY LINE (SERIES PDU18F) FEATURES Digitally programmable in 256 delay steps Monotonic delay-versus-address variation Two separate outputs: inverting & non-inverting Precise and stable delays Input & outputs fully TTL interfaced & buffered 10 T2L fan-out capability Fits standard 40-pin DIP socket Auto-insertable N/C OUT/ OUT EN/ GND N/C N/C N/C GND N/C N/C N/C N/C GND N/C EN/ A7 IN N/C GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VCC N/C A0 A1 A2 VCC N/C A3 A4 A5 VCC N/C N/C N/C N/C VCC N/C A6 N/C N/C data 3 delay devices, inc. PACKAGES  PDU18F-xx DIP PDU18F-xxC5 Gull-Wing PDU18F-xxM Military DIP PDU18F-xxMC5 Military Gull-Wing FUNCTIONAL DESCRIPTION The PDU18F-series device is a 8-bit digitally programmable delay line. The delay, TDA, from the input pin (IN) to the output pins (OUT, OUT/) depends on the address code (A7-A0) according to the following formula: TDA = TD0 + TINC * A PIN DESCRIPTIONS IN OUT OUT/ A0-A7 EN/ VCC GND Delay Line Input Non-inverted Output Inverted Output Address Bits Output Enable +5 Volts Ground where A is the address code, TINC is the incremental delay of the device, and TD0 is the inherent delay of the device. The incremental delay is specified by the dash number of the device and can range from 0.5ns through 10ns, inclusively. The enable pins (EN/) are held LOW during normal operation. These pins must always...