Internet Data Sheet

Rev. 1.6, 2007-02

6

03292006-U5AN-6TI1

HYB25D128xxxC[C/E/F/T](L)

128-Mbit Double-Data-Rate SDRAM

2

Pin Configuration

The pin configuration of a DDR SDRAM is listed by function in Table 4 (60 pins). The abbreviations used in the Pin#/Buffer#

column are explained in Table 5 and Table 6 respectively. The pin numbering for FBGA is depicted in Figure 1 and that of the

TSOP package in Figure 2.

TABLE 4

Pin Configuration of DDR SDRAM

Ball#/Pin#

Name

Pin

Type

Buffer

Type

Function

Clock Signals

G2, 45

CK

I

SSTL

Clock Signal

G3, 46

CK

I

SSTL

Complementary Clock Signal

H3, 44

CKE

I

SSTL

Clock Enable

Control Signals

H7, 23

RAS

I

SSTL

Row Address Strobe

G8, 22

CAS

I

SSTL

Column Address Strobe

G7, 21

WE

I

SSTL

Write Enable

H8, 24

CS

I

SSTL

Chip Select

Address Signals

J8, 26

BA0

I

SSTL

Bank Address Bus 2:0

J7, 27

BA1

I

SSTL

K7, 29

A0

I

SSTL

Address Bus 11:0

L8, 30

A1

I

SSTL

L7, 31

A2

I

SSTL

M8, 32

A3

I

SSTL

M2, 35

A4

I

SSTL

L3, 36

A5

I

SSTL

L2, 37

A6

I

SSTL

K3, 38

A7

I

SSTL

K2, 39

A8

I

SSTL

J3, 40

A9

I

SSTL

K8, 28

A10

I

SSTL

AP

I

SSTL

J2, 41

A11

I

SSTL

H2, 42

A12

I

SSTL

Address Signal 12

Note: 256 Mbit or larger dies

NC

NC

—

Note: 128 Mbit or smaller dies

F9, 17

A13

I

SSTL

Address Signal 13

Note: 1 Gbit based dies

NC

NC

—

Note: 512 Mbit or smaller dies