Product Summary
The CY7C419-15JC is a first-in first-out (FIFO) memory offered in 600-mil wide and 300-mil wide packages. It is respectively, 256 words by 9-bits wide. The FIFO memory is organized such that the data is read in the same sequential order that it was written. Full and Empty flags are provided to prevent overrun and underrun. Three additional pins of the CY7C419-15JC are also provided to facilitate unlimited expansion in width, depth, or both. The depth expansion technique steers the control signals from one device to another in parallel, thus eliminating the serial addition of propagation delays, so that throughput is not reduced. Data is steered in a similar manner. The read and write operations may be asynchronous; each can occur at a rate of 50.0 MHz. The write operation of the CY7C419-15JC occurs when the write (W) signal is LOW. Read occurs when read (R) goes LOW. The nine data outputs go to the high-impedance state when R is HIGH.
Parametrics
CY7C419-15JC maximum rating: (1)Storage Temperature: –65℃ to +150℃; (2)Ambient Temperature with Power Applied: –55℃ to +125℃; (3)Supply Voltage to Ground Potential: –0.5V to +7.0V; (4)DC Voltage Applied to Outputs in High Z State: –0.5V to +7.0V; (5)DC Input Voltage: –0.5V to +7.0V; (6)Power Dissipation: 1.0W; (7)Output Current, into Outputs (LOW): 20 mA; (8)Static Discharge Voltage>2000V; (9)(per MIL–STD–883, Method 3015); (10)Latch-Up Current >200 mA.
Features
CY7C419-15JC features: (1)Asynchronous first-in first-out (FIFO) buffer memories; (2)Dual-ported RAM cell; (3)High-speed 50.0-MHz read/write independent of depth/width; (4)Low operating power: ICC = 35 mA; (5)Empty and Full flags (Half Full flag in standalone); (6)TTL compatible; (7)Retransmit in standalone; (8)Expandable in width; (9)PLCC, 7x7 TQFP, SOJ, 300-mil and 600-mil DIP.
Diagrams
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