CY7C1041CV33-20ZI Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1041CV33-20ZI Datasheet PDF : 12 Pages
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CY7C1041CV33
Pin Definitions
Pin Name
44-SOJ,
44-TSOP
Pin Number
48-ball FBGA
Pin Number
I/O Type
Description
A0-A17
1-5,18-27,
42-44
A3,A4,A5,B3,
B4,C3,C4,D4,
H2,H3,H4,H5,G
3,G4,F3,F4,E4,
D3
Input
Address Inputs used to select one of the address
locations.
I/O0 - I/O15
7-10,13-16,
29-32,35-38
B1,C1,C2,D2,E Input/Output Bidirectional Data I/O lines. Used as input or output lines
2,F2,F1,G1,B6,
depending on operation
C6,C5,D5,E5,
NC[2]
F5,F6,G6
28
A6,E3,G2,H1, No Connect No Connects. This pin is not connected to the die
H6
WE
17
G5
Input/Control Write Enable Input, active LOW. When selected LOW, a
WRITE is conducted. When selected HIGH, a READ is
conducted.
CE
6
B5
Input/Control Chip Enable Input, active LOW. When LOW, selects the chip.
When HIGH, deselects the chip.
BHE, BLE
OE2
39,40
41
A1,B2
A2
Input/Control
Input/Control
Byte Write Select Inputs, active LOW. BHE controls
I/O7-I/O0, BLE controls I/O15-I/O8.
Output Enable, active LOW. Controls the direction of the I/O
pins. When LOW, the I/O pins are allowed to behave as
outputs. When deasserted HIGH, I/O pins are three-stated,
and act as input data pins.
VSS
12,34
D1,E6
Ground Ground for the device. Should be connected to ground of the
system.
VCC
11,33
Notes:
2. NC pins are not connected on the die.
D6,E1
Power Supply Power Supply inputs to the device.
Document #: 38-05134 Rev. *E
Page 3 of 12
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