Purchase CY7C172A, In-stock CY7C172A From SeekIC.
MFG:CYP
Part Number: CY7C172A
MFG: CYP
Description: The CY7C171A and CY7C172A are high-performance CMOS static RAMs organized as 4096 by 4 bits with separ...
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CY7C172A
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DataSheet
General Description
CY7C172A General Description
The CY7C171A and CY7C172A are high-performance CMOS static RAMs organized as 4096 by 4 bits with separate I/O. Easy memory expansion is provided by an active LOW chip enable (CE) and three-state drivers. They have an automatic power-down feature, reducing the power consumption by 77% when deselected.
Writing to the device is accomplished when the chip enable (CE) and write enable (WE) inputs are both LOW. Data on the four input/output pins (I0 through I3) is written into the memory location specified on the address pins (A0 through A11). Reading the device is accomplished by taking chip enable (CE) LOW, while write enable (WE) remains HIGH. Under these conditions the contents of the memory location specified on the address pins will appear on the four data output pins.
The output pins remain in a high-impedance state when write enable (WE) is LOW (7C172A only), or chip enable is HIGH.
A die coat is used to insure alpha immunity.
CY7C172A 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 to Ground Potential..................-0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State.....................................................-0.5V to +7.0V
DC Input Voltage .................................................-3.0V to +7.0V
Output Current into Outputs (LOW) .............................20 mA
Static Discharge Voltage .......................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current.................................................... >200 mA
Storage Temperature ..................................... -65°C to +150°C
Ambient Temperature with
Power Applied.................................................. -55°C to +125°C
Supply Voltage to Ground Potential..................-0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State.....................................................-0.5V to +7.0V
DC Input Voltage .................................................-3.0V to +7.0V
Output Current into Outputs (LOW) .............................20 mA
Static Discharge Voltage .......................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current.................................................... >200 mA
CY7C172A Features
• Automatic power-down when deselected
• CMOS for optimum speed/power
• High speed
-tAA = 15 ns
• Transparent write (7C171A)
• Low active power
-375 mW
• Low standby power
-93 mW
• TTL-compatible inputs and outputs
• Capable of withstanding greater than 2001V electrostatic discharge
• CMOS for optimum speed/power
• High speed
-tAA = 15 ns
• Transparent write (7C171A)
• Low active power
-375 mW
• Low standby power
-93 mW
• TTL-compatible inputs and outputs
• Capable of withstanding greater than 2001V electrostatic discharge
CY7C172A Connection Diagram
CY7C172A
PDF/DataSheet Download
- Datasheet: CY7C172A
- File Size: 169446 KB
- Manufacturer: Cypress
- Click here to Download
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