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CY7C1049B

Features: • High speed-tAA = 12 ns• Low active power-1320 mW (max.)• Low CMOS standby power (Commercial L version)-2.75 mW (max.)• 2.0V Data Retention (400 W at 2.0V retention)• Automatic power-down when deselected• TTL-compatible inputs and outputs• Easy ...

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SeekIC No. : 004319800 Detail

CY7C1049B: Features: • High speed-tAA = 12 ns• Low active power-1320 mW (max.)• Low CMOS standby power (Commercial L version)-2.75 mW (max.)• 2.0V Data Retention (400 W at 2.0V retentio...

CY7C1049B Data Sheet

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Part Number:
CY7C1049B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

• High speed
-tAA = 12 ns
• Low active power
-1320 mW (max.)
• Low CMOS standby power (Commercial L version)
-2.75 mW (max.)
• 2.0V Data Retention (400 W at 2.0V retention)
• Automatic power-down when deselected
• TTL-compatible inputs and outputs
• Easy memory expansion with CE and OE features


Pinout

Connection Diagram


Specifications

(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 to Relative GND[2] .... 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


Description

The CY7C1049B is a high-performance CMOS static RAM organized as 524,288 words by 8 bits. Easy memory expansion is provided by an active LOW Chip Enable (CE), an active LOW Output Enable (OE), and three-state drivers. Writing to CY7C1049B is accomplished by taking Chip Enable (CE) and Write Enable (WE) inputs LOW. Data on the eight I/O pins (I/O0through I/O7) is then written into the location specified on the address pins (A0 through A18).

Reading from CY7C1049B is accomplished by taking Chip Enable (CE) and Output Enable (OE) LOW while forcing Write Enable (WE) HIGH. Under these conditions, the contents of the memory location specified by the address pins will appear on the I/O pins.

The eight input/output pins (I/O0 through I/O7) are placed in a high-impedance state when CY7C1049B is deselected (CE HIGH), the outputs are disabled (OE HIGH), or during a write operation (CE LOW, and WE LOW).

The CY7C1049B is available in a standard 400-mil-wide 36-pin SOJ package with center power and ground (revolutionary) pinout.




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