M52S128168A-7.5BG ELITE SEMICONDUCTOR, M52S128168A-7.5BG Datasheet - Page 19

• Manufacturer Part Number: M52S128168A-7.5BG
• Description: DRAM IC
• Manufacturer: ELITE SEMICONDUCTOR

Specifications of M52S128168A-7.5BG

• Ic Interface Type: Parallel
• Frequency: 133MHz
• Termination Type: SMD
• Supply Voltage Max: 2.7V
• Memory Voltage, Vcc: 2.5 V
• Interface Type: Parallel
• Memory Size: 128Mbit
• Supply Voltage Min: 2.3V
• Operating Temperature Min: 0��C
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Operating Temperature Max: 70°C
• Page Size: 128MB
• Memory Case Style: FBGA
• No. Of Pins: 54
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ESMT
BASIC FEATURE AND FUNCTION DESCRIPTIONS
1. CLOCK Suspend
2. DQM Operation
Elite Semiconductor Memory Technology Inc.
I n t e r n a l
D Q ( C L 3 )
D Q ( C L 2 )
*Note :1. CKE to CLK disable/enable = 1CLK.
C L K
I nt e r n al
DQ ( C L 2 )
DQ ( C L 3 )
D Q ( C L 3 )
D Q M
D Q ( C L 2 )
C M D
C K E
3 ) D Q M w i t h c l c o k s u s p e n d e d ( F u l l P a g e R e a d )
C L K
CL K
CM D
CK E
C L K
C M D
D Q M
2. DQM masks data out Hi-Z after 2CLKs which should masked by CKE ”L”.
3. DQM masks both data-in and data-out.
C L K
R D
1 ) C l o c k S u s p e n d e d D u r i n g W r i t e ( B L = 4 )
1 ) W r i t e M a s k ( B L = 4 )
W R
W R
D0
D 0
D 0
D 0
D Q M t o D a t a - i n M a s k = 0
D1
D 1
D 1
D 1
Q0
N o t W r i tt e n
M a s k e d b y C K E
M a s k e d b y D Q M
H i - Z
H i - Z
D 3
D2
D 3
D 2
D 3
D3
* N o t e 2
Q2
Q1
H i - Z
H i - Z
2 ) R e a d M a s k ( B L = 4 )
2 ) C l o c k S u s p e n d e d D u r i n g R e a d ( B L = 4 )
Q4
Q3
R D
R D
H i - Z
H i - Z
Q0
Q 0
M a s k e d b y D Q M
H i - Z
H i - Z
Q5
Q6
Q 1
Q 0
Publication Date: Oct. 2007
Revision: 1.1
D Q M t o D a t a - o u t M a s k = 2
Q6
Q2
Q7
Q1
M52S128168A
Q 2
Q 1
Q8
Q2
Q7
Su s pe nd ed D ou t
Q3
Q9
Q8
Q3
Q 3
Q 2
Q 3
19/47