CY7C1041CV33
Pin Definitions
Pin Name
A
0
–A
17
SOJ, TSOP
Pin Number
1–5, 18–27,
42–44
BGA
Pin Number
A3, A4, A5, B3,
B4, C3, C4,
D4, H2, H3, H4,
H5, G3, G4, F3,
F4, E4, D3
IO Type
Input
Description
Address Inputs.
Used to select one of the address locations.
IO
0
–IO
15
7–10,13–16, B1, C1, C2, D2, Input or Output
Bidirectional Data IO lines.
Used as input or output lines depending
29–32, 35–38 E2, F2, F1, G1,
on operation.
B6, C6, C5, D5,
E5, F5, F6, G6
28
17
6
40, 39
41
A6, E3, G2, H1,
H6
G5
B5
B2, A1
A2
No Connect
Input or
Control
Input or
Control
Input or
Control
Input or
Control
No Connects.
Not connected to the die.
Write Enable Input, Active LOW.
When selected LOW, a write is
conducted. When deselected HIGH, a read is conducted.
Chip Enable Input, Active LOW.
When LOW, selects the chip.
When HIGH, deselects the chip.
Byte Write Select Inputs, Active LOW.
BHE controls IO
16
– IO
9
,
BLE controls IO
8
– IO
1
.
Output Enable, Active LOW.
Controls the direction of the IO pins.
When LOW, the IO pins are allowed to behave as outputs. When
deasserted HIGH, the IO pins are tri-stated and act as input data
pins.
Ground for the Device.
Connected to ground of the system.
NC
WE
CE
BHE, BLE
OE
V
SS
V
CC
12, 34
11, 33
D1, E6
D6, E1
Ground
Power Supply
Power Supply Inputs to the Device.
Document Number: 38-05134 Rev. *I
Page 3 of 14
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