MT47H256M4HQ-187E:E TR Micron Technology Inc, MT47H256M4HQ-187E:E TR Datasheet - Page 64

• Manufacturer Part Number: MT47H256M4HQ-187E:E TR
• Description: IC DDR2 SDRAM 1GBIT 60VFBGA
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H256M4HQ-187E:E TR

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 1G (256M x 4)
• Speed: 1.875ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 60-FBGA
• Organization: 256Mx4
• Density: 1Gb
• Address Bus: 17b
• Access Time (max): 350ps
• Maximum Clock Rate: 1.066GHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 85C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 190mA
• Pin Count: 60
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 557-1426-2

Figure 27: Nominal Slew Rate for
Figure 28: Tangent Line for
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. T 02/10 EN
Note:
Note:
V
V
V
V
Setup slew rate
falling signal
V
V
V
V
IH(AC)min
IH(DC)min
IL(DC)max
IL(AC)max
V
IH(AC)min
IH(DC)min
IL(DC)max
IL(AC)max
V
DQS# 1
DQS# 1
REF(DC)
REF(DC)
1. DQS, DQS# signals must be monotonic between V
1. DQS, DQS# signals must be monotonic between V
DQS 1
DQS 1
V
V
DDQ
DDQ
V
V
SS
SS
t
Setup slew rate
falling signal
DS
=
V
REF
V
Tangent line (V
region
REF
region
to AC
ΔTF
to AC
t
DS
ΔTF
=
Tangent line
REF[DC]
ΔTF
Nominal line
t
DS
V
REF(DC)
Nominal
slew rate
- V
t DS
IL[AC]max
t
- V
ΔTF
DH
)
IL(AC)max
t DH
Nominal
Setup slew rate
rising signal
line
64
Setup slew rate
rising signal
ΔTR
ΔTR
=
Tangent line (V
Tangent line
t
DS
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Nominal
slew rate
t DS
V
t
DH
REF
region
IH[AC]min
ΔTR
=
to AC
V
IH(AC)min
V
t DH
- V
REF
1Gb: x4, x8, x16 DDR2 SDRAM
region
REF[DC]
to AC
ΔTR
)
- V
IL(DC)max
IL(DC)max
REF(DC)
Input Slew Rate Derating
and V
and V
© 2004 Micron Technology, Inc. All rights reserved.
IH(DC)min
IH(DC)min
.
.