CY7C1041CV33-8ZSXC データシートの表示（PDF） - Cypress Semiconductor
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CY7C1041CV33-8ZSXC Datasheet PDF : 15 Pages
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CY7C1041CV33
Pin Definitions
Pin Name
TSOP Pin
Number
I/O Type
Description
A0–A17 1–5, 18–27,
42–44
Input
Address Inputs. Used to select one of the address locations.
I/O0–I/O15 7–10,13–16, Input or Output Bidirectional Data IO lines. Used as input or output lines depending on operation.
29–32, 35–38
NC
28
No Connect No Connects. Not connected to the die.
WE
17
Input or Write Enable Input, Active LOW. When selected LOW, a write is conducted.
Control When deselected HIGH, a read is conducted.
CE
6
Input or Chip Enable Input, Active LOW. When LOW, selects the chip. When HIGH,
Control deselects the chip.
BHE, BLE 40, 39
OE
41
Input or
Control
Input or
Control
Byte Write Select Inputs, Active LOW. BHE controls I/O15 – I/O8, BLE controls
I/O7 – I/O0.
Output Enable, Active LOW. Controls the direction of the I/O pins. When LOW,
the IO pins are allowed to behave as outputs. When deasserted HIGH, the I/O pins
are tri-stated and act as input data pins.
VSS
12, 34
Ground Ground for the Device. Connected to ground of the system.
VCC
11, 33 Power Supply Power Supply Inputs to the Device.
Document Number: 38-05134 Rev. *L
Page 4 of 15
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