R1Q3A3636B/R1Q3A3618B/R1Q3A3609B

REJ03C0342-0003 Rev.0.03 Apr.11, 2008

Page 6 of 25

Name

I/O type

Descriptions

Notes

Supply

Power supply: Ground.



system noise margin. Provides a reference voltage for the HSTL input buffers.

NC



No connect: These signals are not internally connected. These signals can be left

floating or connected to ground to improve package heat dissipation.

Notes: 1. All power supply and ground balls must be connected for proper operation of the device.

Block Diagram (R1Q3A3636B / R1Q3A3618B / R1Q3A3609B series)

Address

Registry

and

Logic

Data

Registry

and

Logic

Memory

Array

Address

/R

/W

K

(/K)

/W

/BWx

D

(Data in)

/R

K

/K

72

/36

/18

144

/72

/36

18/19/20

36/18/9

36/18/9

Q

(Data out)

18/19/20

K

C

C,/C

or

K,/K

ZQ

2

CQ

/CQ

72

/36

/18

72

/36

/18

72

/36

/18

4/2/1