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71321SA Datasheet

Part Number 71321SA
Manufacturers IDT
Logo IDT
Description HIGH SPEED 2K x 8 DUAL-PORT STATIC RAM
Datasheet 71321SA Datasheet71321SA Datasheet (PDF)

HIGH SPEED 2K X 8 DUAL-PORT STATIC RAM WITH INTERRUPTS 71321SA/LA 71421SA/LA Features ◆ High-speed access – Commercial: 20/35/55ns (max.) – Industrial: 25/55ns (max.) ◆ Low-power operation – IDT71321/IDT71421SA — Active: 325mW (typ.) — Standby: 5mW (typ.) – IDT71321/421LA — Active: 325mW (typ.) — Standby: 1mW (typ.) ◆ Two INT flags for port-to-port communications ◆ MASTER IDT71321 easily expands data bus width to 16-ormore-bits using SLAVE IDT71421 ◆ On-chip port arbitration logic (IDT71321 o.

  71321SA   71321SA






Part Number 71321SA
Manufacturers Renesas
Logo Renesas
Description HIGH SPEED 2K x 8 DUAL-PORT STATIC RAM
Datasheet 71321SA Datasheet71321SA Datasheet (PDF)

HIGH SPEED 2K X 8 DUAL-PORT STATIC RAM WITH INTERRUPTS 71321SA/LA 71421SA/LA Features ◆ High-speed access – Commercial: 20/35/55ns (max.) – Industrial: 25/55ns (max.) ◆ Low-power operation – IDT71321/IDT71421SA — Active: 325mW (typ.) — Standby: 5mW (typ.) – IDT71321/421LA — Active: 325mW (typ.) — Standby: 1mW (typ.) ◆ Two INT flags for port-to-port communications ◆ MASTER IDT71321 easily expands data bus width to 16-ormore-bits using SLAVE IDT71421 ◆ On-chip port arbitration logic (IDT71321 o.

  71321SA   71321SA







HIGH SPEED 2K x 8 DUAL-PORT STATIC RAM

HIGH SPEED 2K X 8 DUAL-PORT STATIC RAM WITH INTERRUPTS 71321SA/LA 71421SA/LA Features ◆ High-speed access – Commercial: 20/35/55ns (max.) – Industrial: 25/55ns (max.) ◆ Low-power operation – IDT71321/IDT71421SA — Active: 325mW (typ.) — Standby: 5mW (typ.) – IDT71321/421LA — Active: 325mW (typ.) — Standby: 1mW (typ.) ◆ Two INT flags for port-to-port communications ◆ MASTER IDT71321 easily expands data bus width to 16-ormore-bits using SLAVE IDT71421 ◆ On-chip port arbitration logic (IDT71321 only) ◆ BUSY output flag on IDT71321; BUSY input on IDT71421 ◆ Fully asynchronous operation from either port ◆ Battery backup operation – 2V data retention (LA only) ◆ TTL-compatible, single 5V ±10% power supply ◆ Available in 52-Pin PLCC, 52-Pin STQFP, 64-Pin TQFP, and 64-Pin STQFP ◆ Industrial temperature range (–40°C to +85°C) is available for selected speeds ◆ Green parts available, see ordering information Functional Block Diagram OEL CEL R/WL OER CER R/WR I/O0L- I/O7L BUSYL(1,2) A10L A0L I/O Control I/O Control Address Decoder 11 CEL OEL R/WL MEMORY ARRAY ARBITRATION and INTERRUPT LOGIC Address Decoder 11 CER OER R/WR I/O0R-I/O7R BUSYR(1,2) A10R A0R INTL(2) NOTES: 1. IDT71321(MASTER): BUSYisopendrainoutputandrequirespullupresistorof270Ω. IDT71421 (SLAVE): BUSY is input. 2. Open drain output: requires pullup resistor of 270Ω. ©2019 Integrated Device Technology, Inc. 1 INTR(2) 2691 drw 01 SEPTEMBER 2019 DSC-2691/17 71321SA/LA and 71421SA/LA High Speed 2K x 8 Dual-Po.


2019-11-14 : 71421LA    71421SA    71321LA    71321SA   


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