Cypress CY7C1464AV25 Manual De Usuario

Descargar
Página de 27
 
CY7C1460AV25
CY7C1462AV25
CY7C1464AV25
Document #: 38-05354 Rev. *D
Page 2 of 27
 
Selection Guide
250 MHz
200 MHz
167 MHz
Unit
Maximum Access Time
2.6
3.2
3.4
ns
Maximum Operating Current
435
385
335
mA
Maximum CMOS Standby Current
120
120
120
mA
A0, A1, A
C
MODE
BW
a
BW
b
WE
CE1
CE2
CE3
OE
READ LOGIC
DQs
DQP
a
DQP
b
D
A
T
A
S
T
E
E
R
I
N
G
O
U
T
P
U
T
B
U
F
F
E
R
S
MEMORY
ARRAY
E
E
INPUT
REGISTER 0
ADDRESS
REGISTER 0
WRITE ADDRESS
REGISTER 1
WRITE ADDRESS
REGISTER 2
WRITE REGISTRY
AND DATA COHERENCY
CONTROL LOGIC
BURST
LOGIC
A0'
A1'
D1
D0
Q1
Q0
A0
A1
C
ADV/LD
ADV/LD
E
INPUT
REGISTER 1
S
E
N
S
E
A
M
P
S
O
U
T
P
U
T
R
E
G
I
S
T
E
R
S
E
CLK
CEN
WRITE
DRIVERS
ZZ
Sleep
Control
Logic Block Diagram–CY7C1462AV25 (2M x 18)
A0, A1, A
C
MODE
CE1
CE2
CE3
OE
READ LOGIC
DQs
DQP
a
DQP
b
DQP
c
DQP
d
DQP
e
DQP
f
DQP
g
DQP
h
D
A
T
A
S
T
E
E
R
I
N
G
O
U
T
P
U
T
B
U
F
F
E
R
S
MEMORY
ARRAY
E
E
INPUT
REGISTER 0
ADDRESS
REGISTER 0
WRITE ADDRESS
REGISTER 1
WRITE ADDRESS
REGISTER 2
BURST
LOGIC
A0'
A1'
D1
D0
Q1
Q0
A0
A1
C
ADV/LD
ADV/LD
E
INPUT
REGISTER 1
S
E
N
S
E
A
M
P
S
O
U
T
P
U
T
R
E
G
I
S
T
E
R
S
E
CLK
CEN
WRITE
DRIVERS
BW
a
BW
b
WE
ZZ
Sleep
Control
BW
c
WRITE REGISTRY
AND DATA COHERENCY
CONTROL LOGIC
BW
d
BW
e
BW
BW
g
BW
Logic Block Diagram–CY7C1464AV25 (512K x 72)