MT47H256M4HQ-3 IT:E TR Micron Technology Inc, MT47H256M4HQ-3 IT:E TR Datasheet - Page 67

• Manufacturer Part Number: MT47H256M4HQ-3 IT:E TR
• Manufacturer: Micron Technology Inc
• Type: DDR2 SDRAMr

Specifications of MT47H256M4HQ-3 IT:E TR

• Organization: 256Mx4
• Density: 1Gb
• Address Bus: 17b
• Access Time (max): 450ps
• Maximum Clock Rate: 667MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 120mA
• Pin Count: 60
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Compliant

Figure 28: Nominal Slew Rate for
Figure 29: Tangent Line for
PDF: 09005aef821ae8bf
Rev. O 9/08 EN
Note:
Note:
Vih(dc) MIN
Vil(dc) MAX
Vil(ac) MAX
Vil(dc) MAX
Hold slew rate
rising signal
Vih(ac) MIN
Vih(ac) MIN
Vih(dc) MIN
Vil(ac) MAX
1. DQS, DQS# signals must be monotonic between Vil(DC) MAX and Vih(DC) MIN.
1. DQS, DQS# signals must be monotonic between Vil(DC) MAX and Vih(DC) MIN.
Vref(dc)
Vref(dc)
DQS# 1
DQS# 1
VddQ
VddQ
DQS 1
DQS 1
t
Vss
Vss
DH
Hold slew rate
rising signal
=
DC to Vref
DC to Vref
Tangent line (Vref[dc] - Vil[dc] MAX)
region
region
t
DH
=
Vref(dc) - Vil(dc) MAX
Tangent
ΔTR
Nominal
slew rate
t IS
t IS
line
ΔTR
t IH
t IH
67
ΔTR
ΔTR
Hold slew rate
falling signal
Hold slew rate
falling signal
Nominal
line
Micron Technology, Inc. reserves the right to change products or specifications without notice.
=
Nominal
slew rate
DC to Vref
t IS
Tangent line (Vih[dc] MIN - Vref[dc])
t IS
Tangent
=
region
DC to Vref
line
Vih(dc) MIN - Vref(dc)
region
t IH
t IH
1Gb: x4, x8, x16 DDR2 SDRAM
ΔTF
ΔTF
ΔTF
ΔTF
Nominal
line
Input Slew Rate Derating
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