®
LY6225616
256K X 16 BIT LOW POWER CMOS SRAM
Rev. 1.5
PIN DESCRIPTION
FUNCTIONAL BLOCK DIAGRAM
SYMBOL
DESCRIPTION
A0 - A17
Address Inputs
Vcc
Vss
DQ0 – DQ15 Data Inputs/Outputs
CE#
WE#
OE#
LB#
UB#
VCC
Chip Enable Input
Write Enable Input
Output Enable Input
Lower Byte Control
Upper Byte Control
Power Supply
256Kx16
MEMORY ARRAY
A0-A17
DECODER
VSS
Ground
DQ0-DQ7
Lower Byte
I/O DATA
CIRCUIT
COLUMN I/O
DQ8-DQ15
Upper Byte
CE#
WE#
OE#
LB#
CONTROL
CIRCUIT
UB#
Lyontek Inc. reserves the rights to change the specifications and products without notice.
5F, No. 2, Industry E. Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan.
TEL: 886-3-6668838
FAX: 886-3-6668836
2
LYONTEK [ Lyontek Inc. ]
