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IDT70V27L

Features: ` True Dual-Ported memory cells which allow simultaneous access of the same memory location` High-speed access Industrial: 35ns (max.) Commercial: 15/20/25/35/55ns (max.)` Low-power operation IDT70V27S Active: 500mW (typ.) Standby: 3.3mW (typ.) IDT70V27L Active: 500mW (typ.) Standby:...

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SeekIC No. : 004372119 Detail

IDT70V27L: Features: ` True Dual-Ported memory cells which allow simultaneous access of the same memory location` High-speed access Industrial: 35ns (max.) Commercial: 15/20/25/35/55ns (max.)` Low-power oper...

IDT70V27L Data Sheet

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Part Number:
IDT70V27L
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
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Product Details

Description



Features:

` True Dual-Ported memory cells which allow simultaneous access of the same memory location
` High-speed access
  Industrial: 35ns (max.)
  Commercial: 15/20/25/35/55ns (max.)
` Low-power operation
  IDT70V27S
      Active: 500mW (typ.)
      Standby: 3.3mW (typ.)
  IDT70V27L
      Active: 500mW (typ.)
      Standby: 660W (typ.)
` Separate upper-byte and lower-byte control for bus matching capability
` Dual chip enables allow for depth expansion without external logic
` IDT70V27 easily expands data bus width to 32 bits or more using the Master/Slave select when cascading more than one device
` M/S = VIH for BUSY output flag on Master,M/S = VIL forBUSY input on Slave
` Busy and Interrupt Flags
` On-chip port arbitration logic
` Full on-chip hardware support of semaphore signaling between ports
` Fully asynchronous operation from either port
` LVTTL-compatible, single 3.3V (±0.3V) power supply
` Available in 100-pin Thin Quad Flatpack (TQFP), 108-pin Ceramic Pin Grid Array (PGA), and 144-pin Fine Pitch BGA
(fpBGA)
` Industrial temperature range (-40°C to +85°C) is available for selected speeds


Pinout

Connection Diagram


Specifications

Symbol Rating

Commercial
& Industrial
Unit
VTERM(2) Terminal Voltage with Respect to GND
-0.5 to +4.6
V
TBIAS Temperature Under Bias
55 to +125
TSTG Storage Temperature
65 to +150
IOUT DC Output Current
50
mA

NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure  to absolute maximum rating conditions for extended periods may affect reliability.
2. VTERM must not exceed Vcc + 0.3V for more than 25% of the cycle time or 10ns maximum, and is limited to 20mA for the period of VTERM Vcc + 0.3V.


Description

The IDT70V27L is a high-speed 32K x 16 Dual-Port Static RAM, designed to be used as a stand-alone 512K-bit Dual-Port RAM or as a combination MASTER/SLAVE Dual-Port RAM for 32-bit and wider word systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 32-bit or wider memory system applications results in full-speed, error-free operation without the need for additional discrete logic.

The IDT70V27L provides two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. An automatic power down feature controlled by the chip enables (CE0 and CE1) permits the on-chip circuitry of each port to enter a very low standby power mode.

Fabricated using IDT's CMOS high-performance technology, these devices typically operate on only 500mW of power. The IDT70V27L is packaged in a 100-pin Thin Quad Flatpack (TQFP), a 108-pin ceramic Pin Grid Array (PGA), and a 144-pin Fine Pitch BGA (fp BGA).




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