CY62146ELL-45ZSXI Cypress Semiconductor Corp, CY62146ELL-45ZSXI Datasheet - Page 10

• Manufacturer Part Number: CY62146ELL-45ZSXI
• Description: IC SRAM 4MBIT 45NS 44TSOP
• Manufacturer: Cypress Semiconductor Corp
• Type: Asynchronousr

Specifications of CY62146ELL-45ZSXI

• Memory Size: 4M (256K x 16)
• Package / Case: 44-TSOP II
• Format - Memory: RAM
• Memory Type: SRAM
• Speed: 45ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Access Time: 45 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 20 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Ports: 1
• Operating Supply Voltage: 5 V
• Density: 4Mb
• Access Time (max): 45ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 18b
• Package Type: TSOP-II
• Operating Temp Range: -40C to 85C
• Supply Current: 20mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Word Size: 16b
• Number Of Words: 256K
• Memory Configuration: 256K X 16
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: TSOP
• No. Of Pins: 44
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2070; CY62146ELL-45ZSXI

Truth Table
Document Number: 001-07970 Rev. *G
Note
27. Chip enable (CE) and byte enables (BHE and BLE) must be at CMOS levels (not floating) to meet the I
CE
H
L
L
L
L
L
L
L
L
L
L
not permitted.
[27]
WE
X
X
H
H
H
H
H
H
L
L
L
OE
X
X
H
H
H
X
X
X
L
L
L
BHE
X
H
H
H
H
L
L
L
L
L
L
[27]
BLE
X
H
H
H
H
L
L
L
L
L
L
[27]
High Z
High Z
Data out (I/O
Data out (I/O
I/O
Data out (I/O
I/O
High Z
High Z
High Z
Data in (I/O
Data in (I/O
I/O
Data in (I/O
I/O
8
0
8
0
–I/O
–I/O
–I/O
–I/O
Inputs/Outputs
15
7
15
7
in High-Z
in High Z
in High-Z
in High Z
0
0
8
–I/O
–I/O
–I/O
0
0
8
–I/O
–I/O
–I/O
15
7
15
);
15
7
15
)
);
);
)
);
Deselect/power down
Output disabled
Read
Read
Read
Output disabled
Output disabled
Output disabled
Write
Write
Write
SB2
/ I
CCDR
Mode
spec. Intermediate voltage levels on these pins is
CY62146E MoBL
Standby (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Active (I
Power
Page 10 of 14
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
SB
)
)
)
)
)
)
)
)
)
)
)

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