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IDT72T1855L5BB Datasheet(PDF) 6 Page - Integrated Device Technology |
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IDT72T1855L5BB Datasheet(HTML) 6 Page - Integrated Device Technology |
6 / 55 page 6 COMMERCIALANDINDUSTRIAL TEMPERATURERANGES IDT72T1845/55/65/75/85/95/105/115/125 2.5V TeraSync™ 18-BIT/9-BIT FIFO 2Kx18/4Kx9, 4Kx18/ 8Kx9, 8Kx18/16Kx9, 16Kx18/32Kx9, 32Kx18/64Kx9, 64Kx18/128Kx9, 128Kx18/256Kx9, 256Kx18/512Kx9, 512Kx18/1Mx9 I W OW Write Port Width Read Port Width L L x18 x18 L H x18 x9 H L x9 x18 H H x9 x9 TABLE 1 — BUS-MATCHING CONFIGURATION MODES Figure 1. Single Device Configuration Signal Flow Diagram (x18, x9) DATA OUT (Q0 - Qn) (x18, x9) DATA IN (D0 - Dn) MASTER RESET ( MRS) READ CLOCK (RCLK/RD) READ ENABLE ( REN) OUTPUT ENABLE ( OE) EMPTY FLAG/OUTPUT READY ( EF/OR) PROGRAMMABLE ALMOST-EMPTY ( PAE) WRITE CLOCK (WCLK/WR) WRITE ENABLE ( WEN) LOAD ( LD) FULL FLAG/INPUT READY ( FF/IR) PROGRAMMABLE ALMOST-FULL ( PAF) IDT 72T1845 72T1855 72T1865 72T1875 72T1885 72T1895 72T18105 72T18115 72T18125 PARTIAL RESET ( PRS) FIRST WORD FALL THROUGH/ SERIAL INPUT (FWFT/SI) RETRANSMIT ( RT) 5909 drw03 HALF-FULL FLAG ( HF) SERIAL ENABLE( SEN) INPUT WIDTH (IW) OUTPUT WIDTH (OW) BIG-ENDIAN/LITTLE-ENDIAN ( BE) INTERSPERSED/ NON-INTERSPERSED PARITY (IP) SERIAL CLOCK (SCLK) MARK READ CHIP SELECT ( RCS) RCLK ECHO, ERCLK REN ECHO, EREN WRITE CHIP SELECT ( WCS) |
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