Product Information

CY7C4245-15ASC

CY7C4245-15ASC electronic component of Infineon

Datasheet
FIFO Mem Sync Dual Depth/Width Uni-Dir 4K x 18 64-Pin TQFP

Manufacturer: Infineon
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 18.1772 ea
Line Total: USD 18.1772

0 - Global Stock
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
0 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 1
Multiples : 1

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CY7C4245-15ASC
Infineon

1 : USD 18.1772
25 : USD 11.63
100 : USD 8.7302

0 - Global Stock


Ships to you between Thu. 04 Apr to Wed. 10 Apr

MOQ : 1
Multiples : 1

Stock Image

CY7C4245-15ASC
Infineon

1 : USD 28.8149
25 : USD 22.0972
100 : USD 14.0073

     
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CY7C4425V /4205V/4215V CY7C4225V /4235V/4245V64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs CY7C4225V/4205V/4215V CY7C4425V/4235V/4245V 64/256/512/1K/2K/4K x18 Low-Voltage Synchronous FIFOs Features Functional Description 3.3V operation for low power consumption and easy The CY7C42X5V are high-speed, low-power, first-in first-out integration into low-voltage systems (FIFO) memories with clocked read and write interfaces. All are 18 bits wide. The CY7C42X5V can be cascaded to High-speed, low-power, first-in first-out (FIFO) increase FIFO depth. Programmable features include Almost memories Full/Almost Empty flags. These FIFOs provide solutions for a 64 x 18 (CY7C4425V) wide variety of data buffering needs, including high-speed data acquisition, multiprocessor interfaces, and communications 256 x 18 (CY7C4205V) buffering. 512 x 18 (CY7C4215V) These FIFOs have 18-bit input and output ports that are 1K x 18 (CY7C4225V) controlled by separate clock and enable signals. The input port 2K x 18 (CY7C4235V) is controlled by a Free-Running Clock (WCLK) and a Write Enable pin (WEN). 4K x 18 (CY7C4245V) When WEN is asserted, data is written into the FIFO on the 0.65 CMOS rising edge of the WCLK signal. While WEN is held active, data High-speed 67-MHz operation (15-ns read/write cycle is continually written into the FIFO on each cycle. The output times) port is controlled in a similar manner by a Free-Running Read Clock (RCLK) and a Read Enable pin (REN). In addition, the Low power CY7C42X5V have an Output Enable pin (OE). The read and I = 30 mA CC write clocks may be tied together for single-clock operation or 5V tolerant inputs (V = 5V) the two clocks may be run independently for asynchronous IH MAX read/write applications. Clock frequencies up to 66 MHz are Fully asynchronous and simultaneous read and write achievable. operation Retransmit and Synchronous Almost Full/Almost Empty flag Empty, Full, Half Full, and programmable Almost Empty features are available on these devices. and Almost Full status flags Depth expansion is possible using the Cascade Input (WXI, TTL-compatible RXI), Cascade Output (WXO, RXO), and First Load (FL) pins. Retransmit function The WXO and RXO pins are connected to the WXI and RXI pins of the next device, and the WXO and RXO pins of the last Output Enable (OE) pin device should be connected to the WXI and RXI pins of the Independent read and write enable pins first device. The FL pin of the first device is tied to V and the SS Supports free-running 50% duty cycle clock inputs FL pin of all the remaining devices should be tied to V . CC Width-Expansion Capability The CY7C42X5V provides five status pins. These pins are decoded to determine one of five states: Empty, Almost Empty, Depth-Expansion Capability Half Full, Almost Full, and Full (see Table 2). The Half Full flag 64-pin 14 14 TQFP and 64-pin 10 10 STQFP shares the WXO pin. This flag is valid in the stand-alone and width-expansion configurations. In the depth expansion, this Pb-Free packages available pin provides the expansion out (WXO) information that is used to signal the next FIFO when it will be activated. The Empty and Full flags are synchronous, i.e., they change state relative to either the Read Clock (RCLK) or the write clock (WCLK). When entering or exiting the Empty states, the flag is updated exclusively by the RCLK. The flag denoting Full states is updated exclusively by WCLK. The synchronous flag architecture guarantees that the flags will remain valid from one clock cycle to the next. As mentioned previously, the Almost Empty/Almost Full flags become synchronous if the V /SMODE is tied to V . All configurations are fabricated CC SS using an advanced 0.65 P-Well CMOS technology. Input ESD protection is greater than 2001V, and latch-up is prevented by the use of guard rings. Cypress Semiconductor Corporation 198 Champion Court San Jose, CA 95134-1709 408-943-2600 Document #: 38-06029 Rev. *C Revised September 7, 2005CY7C4225V/4205V/4215V CY7C4425V/4235V/4245V D 017 Logic Block Diagram INPUT REGISTER WCLK WEN FLAG PROGRAM WRITE REGISTER CONTROL FF RAM EF ARRAY FLAG 64 x 18 PAE LOGIC 256 x 18 PAF 512 x 18 SMODE 1K x 18 2K x 18 WRITE READ 4K x 18 POINTER POINTER RS RESET LOGIC FL/RT THREESTATE READ WXI OUTPUT REGISTER EXPANSION CONTROL WXO/HF LOGIC RXI OE RXO Q 017 RCLK REN Pin Configuration STQFP/TQFP Top View Q D 1 48 14 15 Q D 47 13 14 2 GND D 3 46 13 Q D 4 45 12 12 Q D 44 11 5 11 CY7C4425V V D 6 43 CC 10 D CY7C4205V 42 Q 7 10 9 Q D 41 9 8 8 CY7C4215V D GND 7 9 40 CY7C4225V 39 D 10 Q 6 8 CY7C4235V 38 D 11 Q 5 7 CY7C4245V D 12 37 Q 4 6 D 36 3 13 Q 5 D 14 35 2 GND 15 34 Q D 4 1 D 33 V 16 0 CC Document #: 38-06029 Rev. *C Page 2 of 20 17 PAE 64 D 16 18 D FL/RT 63 17 19 GND WCLK 62 20 WEN 61 RCLK 21 WXI 60 REN 22 V 59 LD CC PAF 23 58 OE RXI 24 57 RS 25 V FF 56 CC 26 WXO/HF 55 GND 27 RXO 54 EF 28 53 Q Q 17 0 29 Q 52 Q 1 16 30 GND 51 GND 31 Q 50 Q 2 15 32 Q 49 V /SMODE CC 3

Tariff Desc

8542.32.00 32 No ..CMOS and MOS Read Only Memory and Programmable Read Only Memory whether erasable or non-erasable (for example, flash memory, EPROM, E2PROM, EAPROM, NOVRAM, ROM and PROM)
CYP
Cypress
Cypress / Spansion
CYPRESS SEMI
Cypress Semicon
Cypress Semiconductor
Cypress Semiconductor Corp
INF
INFINEON
Infineon IR
INFINEON (CYPRESS)
Infineon (IRF)
Infineon / Cypress
Infineon / IR
INFINEON TECH ICs
Infineon Technologies
INFINEON TECHNOLOGIES AG
Infineon Technologies Americas Corp.
Infinite Power Solutions
INTERNATIONAL RECTIF
INTERNATIONAL RECTIFIER
International Rectifier HiRel Products
INTL RECTIFIER
IR
IRH
Ramtron
Ramtron / Cypress Semiconductor
Ramtron International Corp
SP9
SPANSION

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