Ruizhengwei Electronics

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SN74V3660-7PEU	Texas Instruments	1649	FIFO Mem Sync Dual Depth/Width Uni-Dir 4K x 36 128-Pin LQFP Tray		87.4049
CY7C454-14LMB	Cypress Semiconductor	0402	512X9, 2KX9 and 4KX9 Cascadable Clocked FIFOS with Programmable	DataSheet	20099.0808
CY7C425-25LMB	Cypress Semiconductor	0051	FIFO Mem Async Dual Depth/Width Uni-Dir 1K x 9 32-Pin CLLCC	DataSheet	3827.8567
54F413DMQB	Texas Instruments	0542	FIFO Mem Async Dual Depth/Width Uni-Dir 64 x 4 16-Pin CDIP		994.7048
CY7C433-10AXC	Cypress Semiconductor	0907	FIFO Mem Async Dual Depth/Width Uni-Dir 4K x 9 32-Pin TQFP		2170.002
CY7C4275-15ASC	Cypress Semiconductor	0643	FIFO Mem Sync Dual Depth/Width Uni-Dir 32K x 18 64-Pin TQFP Tray	DataSheet	934.9637
CY7C425-20JXCT	Cypress Semiconductor	0907	FIFO Mem Async Dual Depth/Width Uni-Dir 1K x 9 32-Pin PLCC T/R		550.3041
CY7C4251-10JC	Cypress Semiconductor	0907	FIFO Mem Sync Dual Depth/Width Uni-Dir 8K x 9 32-Pin PLCC	DataSheet	268.324
CY7C4225V-15ASC	Cypress Semiconductor	0919	FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 18 64-Pin TQFP	DataSheet	337.004

Someone has searched this part IC Chips and others have searched some relevant parts as the following:

SN74V3660-7PEU

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Texas Instruments

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FIFO Mem Sync Dual Depth/Width Uni-Dir 4K x 36 128-Pin LQFP Tray

CY7C454-14LMB

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Cypress Semiconductor

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512X9, 2KX9 and 4KX9 Cascadable Clocked FIFOS with Programmable

CY7C425-25LMB

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Cypress Semiconductor

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FIFO Mem Async Dual Depth/Width Uni-Dir 1K x 9 32-Pin CLLCC

54F413DMQB

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Texas Instruments

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FIFO Mem Async Dual Depth/Width Uni-Dir 64 x 4 16-Pin CDIP

CY7C433-10AXC

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Cypress Semiconductor

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FIFO Mem Async Dual Depth/Width Uni-Dir 4K x 9 32-Pin TQFP

CY7C4275-15ASC

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Cypress Semiconductor

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FIFO Mem Sync Dual Depth/Width Uni-Dir 32K x 18 64-Pin TQFP Tray

CY7C425-20JXCT

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Cypress Semiconductor

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FIFO Mem Async Dual Depth/Width Uni-Dir 1K x 9 32-Pin PLCC T/R

CY7C4251-10JC

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Cypress Semiconductor

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FIFO Mem Sync Dual Depth/Width Uni-Dir 8K x 9 32-Pin PLCC

CY7C4225V-15ASC

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Cypress Semiconductor

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FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 18 64-Pin TQFP