CY7C1041CV33-20ZSXE(2008) Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1041CV33-20ZSXE Datasheet PDF : 14 Pages
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CY7C1041CV33
Pin Definitions
Pin Name
SOJ, TSOP
Pin Number
BGA
Pin Number
IO Type
Description
A0–A17
1–5, 18–27,
42–44
A3, A4, A5, B3,
B4, C3, C4,
D4, H2, H3, H4,
H5, G3, G4, F3,
F4, E4, D3
Input
Address Inputs. Used to select one of the address locations.
IO0–IO15
7–10,13–16,
29–32, 35–38
B1, C1, C2, D2, Input or Output Bidirectional Data IO lines. Used as input or output lines depending
E2, F2, F1, G1,
on operation.
B6, C6, C5, D5,
E5, F5, F6, G6
NC
28
A6, E3, G2, H1, No Connect No Connects. Not connected to the die.
H6
WE
17
G5
Input or Write Enable Input, Active LOW. When selected LOW, a write is
Control conducted. When deselected HIGH, a read is conducted.
CE
6
B5
Input or Chip Enable Input, Active LOW. When LOW, selects the chip.
Control When HIGH, deselects the chip.
BHE, BLE
OE
40, 39
41
B2, A1
A2
Input or
Control
Input or
Control
Byte Write Select Inputs, Active LOW. BHE controls IO16 – IO9,
BLE controls IO8 – IO1.
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.
VSS
12, 34
VCC
11, 33
D1, E6
D6, E1
Ground Ground for the Device. Connected to ground of the system.
Power Supply Power Supply Inputs to the Device.
Document Number: 38-05134 Rev. *I
Page 3 of 14
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