MT47H256M8HG-37E:A Micron Technology Inc, MT47H256M8HG-37E:A Datasheet - Page 56

• Manufacturer Part Number: MT47H256M8HG-37E:A
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H256M8HG-37E:A

• Organization: 256Mx8
• Address Bus: 18b
• Access Time (max): 500ps
• Maximum Clock Rate: 533MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 150mA
• Pin Count: 60
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

AC Overshoot/Undershoot Specification
Table 26: Address and Control Balls
Applies to address balls, bank address balls, CS#, RAS#, CAS#, WE#, CKE, and ODT
Table 27: Clock, Data, Strobe, and Mask Balls
Applies to DQ, DQS, DQS#, RDQS, RDQS#, UDQS, UDQS#, LDQS, LDQS#, DM, UDM, and LDM
Figure 22: Overshoot
Figure 23: Undershoot
PDF: 09005aef824f87b6
2gbddr2.pdf – Rev. F 12/10 EN
Parameter
Maximum peak amplitude allowed for overshoot area
(see Figure 22)
Maximum peak amplitude allowed for undershoot area
(see Figure 23)
Maximum overshoot area above V
Maximum undershoot area below V
Parameter
Maximum peak amplitude allowed for overshoot area
(see Figure 22)
Maximum peak amplitude allowed for undershoot area
(see Figure 23)
Maximum overshoot area above V
Maximum undershoot area below V
Some revisions will support the 0.9V maximum average amplitude instead of the 0.5V
maximum average amplitude shown in Table 26 and Table 27.
V
V
DD
V
SS
SS
/V
/V
/V
DDQ
SSQ
DD
DDQ
SSQ
SS
SSQ
(see Figure 22)
(see Figure 23)
(see Figure 22)
(see Figure 23)
Maximum amplitude
Maximum amplitude
56
Time (ns)
Time (ns)
AC Overshoot/Undershoot Specification
0.19 Vns
0.19 Vns
0.5 Vns
0.5 Vns
-187E
0.50V
0.50V
-187E
0.50V
0.50V
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Undershoot area
Overshoot area
-25/-25E
0.66 Vns
0.66 Vns
2Gb: x4, x8, x16 DDR2 SDRAM
-25/-25E
0.23 Vns
0.23 Vns
0.50V
0.50V
0.50V
0.50V
Specification
Specification
0.80 Vns
0.80 Vns
0.23 Vns
0.23 Vns
-3/-3E
-3/-3E
0.50V
0.50V
0.50V
0.50V
© 2006 Micron Technology, Inc. All rights reserved.
1.00 Vns
1.00 Vns
0.28 Vns
0.28 Vns
0.50V
0.50V
0.50V
0.50V
-37E
-37E
1.33 Vns
1.33 Vns
0.38 Vns
0.38 Vns
0.50V
0.50V
0.50V
0.50V
-5E
-5E