TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 512

• Manufacturer Part Number: TMPR4937XBG-300
• Manufacturer: Toshiba

Specifications of TMPR4937XBG-300

• Family Name: TX49
• Device Core Size: 64b
• Frequency (max): 300MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.5V
• Operating Supply Voltage (max): 1.6V
• Operating Supply Voltage (min): 1.4V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 484
• Package Type: BGA
• Lead Free Status / Rohs Status: Compliant

SDCLK[3:0] Cycle Time
SDCLK[3:0] High Time
SDCLK[3:0] Low Time
SDCLKIN Input Skew
ADDR[19:5] Output Delay
SDCS[3:0] * Output Delay
RAS * Output Delay
CAS * Output Delay
WE * Output Delay
CKE Output Delay
DQM[7:0] Output Delay
DATA[63:0] Output Delay (H → L, L → H)
DATA[63:0] Output Delay (Valid → Hi-
Z)
DATA[63:0] Output Delay (Valid → Hi-Z) t
DATA[63:0] Input Setup Time
DATA[63:0] Input Hold Time
DATA[63:0] Input Setup Time
DATA[63:0] Input Hold Time
*4) The MAX value is is t
*1) Becomes a 2-cycle signal when tDACT of SDCTR1 is “1”.
*2) Becomes a 2-cycle signal when tSWB of SDCTR1 is “1”.
*3) 2-cycle signal
For information on 2-cycle operation, see the description in Chapter 9 SDRAM Controller.
SDCLK[n]
OUTPUT
INPUT
21.5.3
Figure 21.5.3 Timing Diagram: Output Signal and Input Signal when in the Bypass Mode
SDRAM Interface AC characteristics
Item
(Tc = 0 – 70°C, VCCIO = 3.3 V ± 0.2 V, VCCInt = 1.5 V ± 0.1 V, VSS = 0 V, CL = 150 pF)
CYC_SDCLK
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CYC_SDCLK
HIGH_SDCLK
LOW_SDCLK
BP
VAL_ADDR1
VAL_SDCS
VAL_RAS
VAL_CAS
VAL_WE
VAL_CKE
VAL_DQM
VAL_DATA1
VAL_DATA1ZV
VAL_DATA1VZ
SU_DATA1B
HO_DATA1B
SU_DATA1NB
HO_DATA1NB
Symbol
– 5.5 ns.
t
SU_*
(SDCLK Reference)
inputs valid
C
C
C
When in the Non-bypass mode
* 4)
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
When in the Bypass mode
When in the Bypass mode
When in the Non-bypass mode
When in the Non bypass mode
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
=50 pF, 16 mA buffer time
=50 pF, 16 mA buffer time
=50 pF, 16 mA buffer time
=150 pF, 16 mA buffer, * 1)
= 80 pF, 16 mA buffer, * 1)
= 80 pF, 16 mA buffer
=150 pF, 16 mA buffer, * 1)
= 80 pF, 16 mA buffer, * 1)
=150 pF, 16 mA buffer, * 3)
= 80 pF, 16 mA buffer, * 3)
=150 pF, 16 mA buffer, * 3)
= 80 pF, 16 mA buffer, * 3)
=150 pF, 16 mA buffer
= 80 pF, 16 mA buffer
= 50 pF, 16 mA buffer, * 2)
= 30 pF, 16 mA buffer, * 2)
= 50 pF, 16 mA buffer, * 2)
= 30 pF, 16 mA buffer, * 2)
= 50 pF, 16 mA buffer, * 2)
= 30 pF, 16 mA buffer, * 2)
= 50 pF, 16 mA buffer, * 2)
= 30 pF, 16 mA buffer, * 2)
21-6
t
Chapter 21 Electrical Characteristics
HO_*
Conditions
t
VAL_*
Min.
7.5
2.5
2.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
4.0
0.5
1.0
1.0
outputs valid
0
t
CYC_SDCLK
Max.
– 5.5
6.5
5.2
5.2
6.5
5.2
6.5
5.2
6.5
5.2
6.5
5.2
6.5
5.2
6.5
5.2
6.5
5.2
6.5
5.2
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns