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IDT72T20118L6BBI Datasheet(PDF) 5 Page - Integrated Device Technology |
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IDT72T20118L6BBI Datasheet(HTML) 5 Page - Integrated Device Technology |
5 / 51 page 5 COMMERCIAL AND INDUSTRIAL TEMPERATURERANGES IDT72T2098/108/118/128 2.5V HIGH-SPEED TeraSync™ DDR/SDR FIFO 20-BIT/10-BIT CONFIGURATIONS 32K x 20/64K x 10, 64K x 20/128K x 10, 128K x 20/256K x 10, 256K x 20/512K x 10 I W OW Write Port Width Read Port Width L L x20 x20 L H x20 x10 H L x10 x20 H H x10 x10 TABLE 1 — BUS-MATCHING CONFIGURATION MODES NOTE: 1. Pin status during Master Reset. Figure 1. Single Device Configuration Signal Flow Diagram (x20, x10) DATA OUT (Q0 - Qn) (x20, x10) DATA IN (D0 - Dn) MASTER RESET ( MRS) READ CLOCK (RCLK) READ ENABLE ( REN) OUTPUT ENABLE ( OE) EMPTY FLAG/OUTPUT READY ( EF/OR) PROGRAMMABLE ALMOST-EMPTY ( PAE) WRITE CLOCK (WCLK) WRITE ENABLE ( WEN) WRITE SINGLE DATA RATE ( WSDR) FULL FLAG/INPUT READY ( FF/IR) PROGRAMMABLE ALMOST-FULL ( PAF) IDT 72T2098 72T20108 72T20118 72T20128 PARTIAL RESET ( PRS) FIRST WORD FALL THROUGH (FWFT) RETRANSMIT ( RT) 5996 drw03 SERIAL ENABLE( SEN) INPUT WIDTH (IW) OUTPUT WIDTH (OW) SERIAL CLOCK (SCLK) MARK READ CHIP SELECT ( RCS) RCLK ECHO (ERCLK) REN ECHO (EREN) WRITE CHIP SELECT ( WCS) READ SINGLE DATA RATE ( RSDR) SERIAL OUTPUT (SO) SERIAL INPUT (SI) SERIAL READ ENABLE( SREN) WSDR RSDR Write Port Width Read Port Width H H Double Data Rate Double Data Rate H L Double Data Rate Single Data Rate L H Single Data Rate Double Data Rate L L Single Data Rate Single Data Rate TABLE 2 — DATA RATE-MATCHING CONFIGURATION MODES NOTE: 1. Pin status during Master Reset. 2. Data Rate Matching can be used in conjunction with Bus-Matching modes. |
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