MT47H256M4HQ-3 IT:E TR Micron Technology Inc, MT47H256M4HQ-3 IT:E TR Datasheet - Page 66

• 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 26: Nominal Slew Rate for
Figure 27: Tangent Line for
PDF: 09005aef821ae8bf
Rev. O 9/08 EN
Note:
Note:
Vih(dc) MIN
Vil(dc) MAX
Vil(ac) MAX
Vih(dc) MIN
Vil(dc) MAX
Vil(ac) MAX
Vih(ac) MIN
Vih(ac) MIN
Setup slew rate
falling signal
Vref(dc)
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)
DQS# 1
VddQ
DQS# 1
DQS 1
VddQ
DQS 1
Vss
t
Vss
DS
Setup slew rate
falling signal
=
Vref to AC
Tangent line (Vref[dc] - Vil[ac] MAX)
region
Vref to AC
region
t
ΔTF
DS
ΔTF
Tangent line
ΔTF
=
Nominal line
t
DS
Vref(dc) - Vil(ac) MAX
Nominal
slew rate
t DS
t
DH
ΔTF
t DH
Nominal
Setup slew rate
rising signal
line
66
ΔTR
Setup slew rate
rising signal
=
ΔTR
Tangent line (Vih[ac] MIN - Vref[dc])
Tangent line
t
DS
Micron Technology, Inc. reserves the right to change products or specifications without notice.
Nominal
slew rate
t
Vref to AC
t DS
DH
region
ΔTR
=
Vih(ac) MIN - Vref(dc)
1Gb: x4, x8, x16 DDR2 SDRAM
Vref to AC
t DH
region
ΔTR
Input Slew Rate Derating
© 2004 Micron Technology, Inc. All rights reserved.