TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 724

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TX4939XBG-400

Manufacturer Part Number
TX4939XBG-400
Description
Manufacturer
Toshiba
Datasheet

Specifications of TX4939XBG-400

Cpu Core
TX49/H4 90nm
Clock Mhz/max Mips
400/520
Inst./data Cache
32KB (4 Way)/32KB (4 Way)
Tlb
x
1cycle Mac
x
Volts (v)
1.25/2.5/3.3
Peripherals
DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
Companion Chip
TC86C001FG
Package
PGBA456

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Manufacturer
Quantity
Price
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NSC
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Manufacturer:
TOSHIBA
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Manufacturer:
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Quantity:
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Electrical
Rev. 3.1 November 1, 2005
t2=0 (Ideal timing)
DRCKM
DRDQS
DRCKM
DRCKP
DRCKP
t2 min = -350
t2 max = 350
ADDR/CMD
ADDR/CMD
ADDR/CMD
Figure 28-8 ADDR/CMD to DRCKOUT Timing Parameter (Registered DIMMs)
DRDQs
DRDQs
DRDQs
DRDQs
DRDQs
DRDQs
Figure 28-7 tDQSQV/tDQSQIV Timing Parameters
tDQSQV / tDQSQIV Timing Parameter
tDQSQV / tDQSQIV Timing Parameter
tCK
tCK
tCK / 2
tCK / 2
28-8
Ideal 90
Ideal 90
tDQSQV Min – Latest time Data can become valid
tDQSQV Max - Earliest time Data can become valid
tDQSQIV Min - Earliest time Data can become invalid
o
o
tDQSQIV Max – Latest time Data can become invalid
Pahse Shift – tDQSQV Typical
Pahse Shift – tDQSQV Typical
t2 min
t2 max
Toshiba RISC Processor
TX4939
28
28

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