SM5837AF

SM5837AF NIPPON PRECISION CIRCUITS INC. Variable-length 1H Delay Line LSI OVERVIEW The SM5837AF is a variable-length delay line LSI. It has 12-bit input/output signal which can be set to undergo a delay in the range of 31 to 2078 delay bits. Maximum operating frequency is 40 MHz, making it ideal for use in video signal processing applications. PINOUT TOP VIEW PARA (NC) RSTN DI0 DI1 DI2 DI3 DI4 DI5 36 DI6 35 44 43 42 41 40 39 38 37 DL0/SDI 34 DI7 33 32 31 30 29 28 27 26 25 24 23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 DI8 DI9 DI10 DI11 OE CLK VDD DO11 DO10 DO9 DO8 FEATURES s s s s s DL1/SICK DL2/LEN DL3 DL4 VSS1 DL5 DL6 DL7 DL8 DL9 SM5 8 3 7 A F s s s s s Variable-length 1H delay 12-bit input/output signal width 31 to 2078- bit delay length range 40 MHz maximum operating frequency Selectable delay setting method 11-bit parallel input 3-line serial input TTL-compatible input/outputs Tristate outputs 4.75 to 5.25 V operating voltage 44-pin QFP Molybenum-gate CMOS process VSS2 APPLICATIONS s Video signal image processing PACKAGE DIMENSIONS Unit: mm 44-pin QFP 12.80 + - 0.30 10.00 12.80 + - 0.30 10.00 DL10 0.60 + - 0.20 0.35 + - 0.10 0.80 0.17 + - 0.05 0 to 0.20 1.45 1.75MAX NIPPON PRECISION CIRCUITS—1 (NC) DO0 DO1 DO2 DO3 DO4 DO5 0 to 10 DO7 DO8 SM5837AF BLOCK DIAGRAM 12 DI0 - 11 CLK Variable-length 12-bit 1H Delay 12 Output Buffer 12 DO0 - 11 OE RSTN Delay Length Control 11 PARA Parallel/Serial Select 11 S...