HYS64D128020GU-7-A Infineon, HYS64D128020GU-7-A Datasheet - Page 3

• Manufacturer Part Number: HYS64D128020GU-7-A
• Description: 2.5 V 184-pin Unbuffered DDR-I SDRAM Modules
• Manufacturer: Infineon

INFINEON Technologies
Pin Definitions and Functions
Address Format
Density
512 MB
512 MB
1024 MB 128M
1024 MB 128M
A0 - A12
BA0, BA1
DQ0 - DQ63
CB0 - CB7
RAS
CAS
WE
CKE0 - CKE1
DQS0 - DQS8
CLK0 - CLK2,
CLK0 - CLK2
DM0 - DM8
DQS9 - DQS17
note: S1 and CKE1 are used on two bank modules only
Organization
64M x 64
64M x 72
64
72
Address Inputs
Bank Selects
Data Input/Output
Check Bits (x72 organization only)
Row Address Strobe
Column Address Strobe
Read/Write Input
Clock Enable
SDRAM low data strobes
SDRAM clock (positive lines)
SDRAM clock (negative lines)
SDRAM low data mask/
high data strobes
Memory
Banks
1
1
2
2
SDRAMs
64M x 8
64M x 8
64M x 8
64M x 8
# of
SDRAMs
8
9
16
18
3
Unbuffered DDR-I SDRAM-Modules
HYS64/72D64000/128020GU-7/8-A
S0, S1
V
V
V
V
V
V
SCL
SDA
SA0 - SA2
NC
# of row/bank/
columns bits
13/2/11
13/2/11
13/2/11
13/2/11
DD
SS
DDQ
DDID
REF
DDSPD
Chip Selects
Power (+ 2.5 V)
Ground
I/O Driver power supply
VDD Indentification flag
I/O reference supply
Serial EEPROM power supply
Serial bus clock
Serial bus data line
slave address select
no connect
Refresh
8k
8k
8k
8k
2002-09-10 (rev.0.81)
Period
64 ms
64 ms
64 ms
64 ms
Interval
7.8 s
7.8 s
7.8 s
7.8 s