MT48LC32M8A2P-7E:D Micron Technology Inc, MT48LC32M8A2P-7E:D Datasheet - Page 71

• Manufacturer Part Number: MT48LC32M8A2P-7E:D
• Description: IC SDRAM 256MBIT 133MHZ 54TSOP
• Manufacturer: Micron Technology Inc
• Type: SDRAMr

Specifications of MT48LC32M8A2P-7E:D

• Package / Case: 54-TSOP II
• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (32M x 8)
• Speed: 133MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Access Time: RoHS Compliant
• Memory Case Style: TSOP
• No. Of Pins: 54
• Operating Temperature Range: 0°C To +70°C
• Operating Temperature Max: 70°C
• Operating Temperature Min: 0°C
• Organization: 32Mx8
• Density: 256Mb
• Address Bus: 15b
• Access Time (max): 5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 135mA
• Pin Count: 54
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Memory Configuration: 4 BLK (8M X 8)
• Interface Type: LVTTL
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 40: READ With Auto Precharge Interrupted by a WRITE
PDF: 09005aef8091e6d1
256Mb_sdr.pdf - Rev. N 1/10 EN
Internal
States
Command
Note:
Address
Bank m
Bank n
DQM
CLK
DQ
1
1. DQM is HIGH at T2 to prevent D
active
Page
READ - AP
Bank n,
Bank n
T0
Col a
READ with burst of 4
Page active
NOP
CL = 3 (bank n)
T1
T2
NOP
71
T3
D
NOP
OUT
OUT
a + 1 from contending with D
Micron Technology, Inc. reserves the right to change products or specifications without notice.
WRITE - AP
Bank m,
Col d
T4
Bank m
D
Interrupt burst, precharge
IN
WRITE with burst of 4
T5
NOP
256Mb: x4, x8, x16 SDRAM
D
t
RP - bank n
IN
PRECHARGE Operation
T6
NOP
D
IN
© 1999 Micron Technology, Inc. All rights reserved.
IN
d at T4.
T7
NOP
D
t WR - bank m
Don’t Care
IN
Write-back
Idle