Cypress manual Logic Block Diagram CY7C1471V25 2M x, Logic Block Diagram CY7C1473V25 4M x

									CY7C1471V25
									CY7C1473V25
									CY7C1475V25
Logic Block Diagram – CY7C1471V25 (2M x 36)
	A0, A1, A	ADDRESS	A1			A1'
		REGISTER
				D1	Q1
	MODE		A0	D0	Q0	A0'
		CE	ADV/LD		BURST
CLK	C				LOGIC
CEN			C
			WRITE ADDRESS
			REGISTER							O
										U
										T
								S	D	P
									A	U
								E	T	T
	ADV/LD							N	A
	BW A						MEMORY	S		B
			WRITE REGISTRY			WRITE	ARRAY	E	S	U	DQs
	BW B		AND DATA COHERENCY			DRIVERS		A	T	F	DQP A
	BW C		CONTROL LOGIC						E	F	DQP B
								M
									E	E	DQP C
	BW D							P	R	R
											DQP D
								S	I	S
	WE								N		E
									G
							INPUT	E
							REGISTER
	OE
		READ LOGIC
	CE1
	CE2
	CE3		SLEEP
	ZZ
		CONTROL
Logic Block Diagram – CY7C1473V25 (4M x 18)

A0, A1, A

ADDRESS

A1

A1'

REGISTER

D1

Q1

MODE

A0

D0

Q0 A0'

CE

ADV/LD

BURST

CLK

C

LOGIC

CEN

C

WRITE ADDRESS

REGISTER

O

U

T

S

D

P

A

U

E

T

T

ADV/LD

N

A

BW A

WRITE

MEMORY

S

B

WRITE REGISTRY

ARRAY

E

S

U

DQs

BW B

AND DATA COHERENCY

DRIVERS

A

T

F

DQPA

CONTROL LOGIC

E

F

DQPB

M

E

E

P

R

R

WE

S

I

S

E

N

G

INPUT

E

REGISTER

OE

READ LOGIC

CE1

CE2

CE3

ZZ

SLEEP

CONTROL

Document #: 38-05287 Rev. *I

Page 2 of 32

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