hm6216255h Renesas Electronics Corporation., hm6216255h Datasheet - Page 3

• Manufacturer Part Number: hm6216255h
• Description: 4m High Speed Sram 256-kword X 16-bit -
• Manufacturer: Renesas Electronics Corporation.

Pin Description
Pin name
A0 to A17
I/O1 to I/O16
CS
OE
WE
Block Diagram
(MSB)
(LSB)
I/O16
I/O8
I/O9
I/O1
A17
A11
A16
WE
CS
UB
LB
OE
A1
A7
A2
A6
A5
. .
.
. .
.
Function
Address input
Data input/output
Chip select
Output enable
Write enable
CS
decoder
CS
control
Input
data
Row
A10 A8 A9 A12 A13 A14 A0 A15 A3 A4
256 rows 8 columns
128 blocks 16 bit
(4,194,304 bits)
Memory matrix
Column decoder
Pin name
UB
LB
V
V
NC
Column I/O
CC
SS
Function
Upper byte select
Lower byte select
Power supply
Ground
No connection
HM6216255H Series
CS
generater
Internal
voltage
V
V
CC
SS
3