PMC
Pm39F010 / Pm39F020 / Pm39F040
PIN DESCRIPTIONS
SYMBOL
TYPE
DESCRIPTION
Address Inputs: For memory addresses input. Addresses are internally
latched on the falling edge of WE# during a write cycle.
(1)
A0 - AMS
INPUT
Chip Enable: CE# goes low activates the device's internal circuitries for
device operation. CE# goes high deselects the device and switches into
standby mode to reduce the power consumption.
CE#
INPUT
WE#
INPUT
INPUT
Write Enable: Activate the device for write operation. WE# is active low.
Output Enable: Control the device's output buffers during a read cycle. OE#
is active low.
OE#
INPUT/
OUTPUT
Data Inputs/Outputs: Input command/data during a write cycle or output data
during a read cycle. The I/O pins float to tri-state when OE# are disabled.
I/O0 - I/O7
VCC
GND
NC
Device Power Supply
Ground
No Connection
Note:
1. AMS is the most significant address where AMS = A16 for Pm39F010, A17 for Pm39F020, and A18 for
Pm39F040.
Issue Date: March, 2004, Rev: 1.3
Programmable Microelectronics Corp.
6
PMC [ PMC-SIERRA, INC ]
