cym9271b Cypress Semiconductor Corporation., cym9271b Datasheet - Page 5

• Manufacturer Part Number: cym9271b
• Description: Sram Module
• Manufacturer: Cypress Semiconductor Corporation.

Pin Definitions
Presence Detect Pins
V
GND
A[17:0]
ADSP
OE[1:0]
BW[0:3]
WE
CS[1:0]
PD
D[31:0]
DQ[3:0]
CLK[0:3]
NC
RSVD
CYM9270 – 64K x 36
CYM9271B – 128K x 36
CYM9272A – 256K x 36
CYM9273 – 512K x 36
CC3
0
–PD
1
Signal
3V Supply
Ground
Addresses from processor
Address strobe from the processor
Output Enables for each of the banks
Byte writes
Global Write
Chip Select for the two banks
Presence Detect output pins
Data lines from processor
Data Parity lines from processor
Clock lines to the module.
Signal not connected on module
Reserved
5
Description
GND
GND
PD
NC
NC
1
CYM9271B
CYM9272A
CYM9270
CYM9273
GND
GND
PD
NC
NC
0