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MFG:CYPRESS  Package Cooled:800  

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Part Number: CY7C1032

 

MFG: CYPRESS

Package Cooled: 800

 

Description: The CY7C1031 and CY7C1032 are 64K by 18 synchronous cache RAMs designed to interface with high-speed m...


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CY7C1032 General Description


The CY7C1031 and CY7C1032 are 64K by 18 synchronous cache RAMs designed to interface with high-speed microprocessors with minimum glue logic. Maximum access delay from clock rise is 8.5 ns. A 2-bit on-chip counter captures the first address in a burst and increments the address automatically for the rest of the burst access.

The CY7C1031 is designed for Intel® Pentium and i486 CPUbased systems; its counter follows the burst sequence of the Pentium and the i486 processors. The CY7C1032 is architected for processors with linear burst sequences. Burst accesses can be initiated with the processor address strobe (ADSP) or the cache controller address strobe (ADSC) inputs. Address advancement is controlled by the address advancement (ADV) input.

A synchronous self-timed write mechanism is provided to simplify the write interface. A synchronous chip select input and an asynchronous output enable input provide easy control for bank selection and output three-state control.

CY7C1032 Maximum Ratings

(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ..............................65°C to +150°C
Ambient Temperature with
Power Applied...........................................55°C to +125°C
Supply Voltage on VCC Relative to GND...........0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State[2].....................................0.5V to VCC + 0.5V
DC Input Voltage[2] ................................0.5V to VCC + 0.5V
Current into Outputs (LOW).........................................  20 mA
Static Discharge Voltage ..........................................   >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current....................................................... >200 mA

CY7C1032 Features

• Supports 66-MHz Pentium® microprocessor cache systems with zero wait states
• 64K by 18 common I/O
• Fast clock-to-output times
   -8.5 ns
• Two-bit wraparound counter supporting Pentium microprocessor and 486 burst sequence (7C1031)
• Two-bit wraparound counter supporting linear burst sequence (7C1032)
• Separate processor and controller address strobes
• Synchronous self-timed write
• Direct interface with the processor and external cache controller
• Asynchronous output enable
• I/Os capable of 3.3V operation
• JEDEC-standard pinout
• 52-pin PLCC packaging

CY7C1032 Connection Diagram

CY7C1032  Connection Diagram

CY7C1032 datasheet

CY7C1032
PDF/DataSheet Download

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