MT46V64M16TG-6T IT:A TR Micron Technology Inc, MT46V64M16TG-6T IT:A TR Datasheet - Page 81

• Manufacturer Part Number: MT46V64M16TG-6T IT:A TR
• Description: IC DDR SDRAM 1GBIT 6NS 66TSOP
• Manufacturer: Micron Technology Inc
• Type: DDR SDRAMr

Specifications of MT46V64M16TG-6T IT:A TR

• Format - Memory: RAM
• Memory Type: DDR SDRAM
• Memory Size: 1G (64M x 16)
• Speed: 6ns
• Interface: Parallel
• Voltage - Supply: 2.3 V ~ 2.7 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 66-TSOP
• Organization: 64Mx16
• Density: 1Gb
• Address Bus: 16b
• Access Time (max): 700ps
• Maximum Clock Rate: 333MHz
• Operating Supply Voltage (typ): 2.5V
• Package Type: TSOP
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 2.7V
• Operating Supply Voltage (min): 2.3V
• Supply Current: 275mA
• Pin Count: 66
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Power-down (CKE Not Active)
PDF: 09005aef80a2f898/Source: 09005aef82a95a3a
DDR_x4x8x16_Core2.fm - 1Gb DDR: Rev. I, Core DDR: Rev. B 12/07 EN
Unlike SDR SDRAMs, DDR SDRAMs require CKE to be active at all times an access is in
progress, from the issuing of a READ or WRITE command, until completion of the
access. Thus a clock suspend is not supported. For READs, an access completion is
defined when the read postamble is satisfied; for WRITEs, when the write recovery time
(
Power-down, as shown in Figure 53 on page 82, is entered when CKE is registered LOW
and all criteria in Table 27 on page 38 are met. If power-down occurs when all banks are
idle, this mode is referred to as precharge power-down; if power-down occurs when a
row is active in any bank, this mode is referred to as active power-down. Entering power-
down deactivates the input and output buffers, excluding CK, CK#, and CKE. For
maximum power savings, the DLL is frozen during precharge power-down mode. Exiting
power-down requires the device to be at the same voltage and frequency as when it
entered power-down. However, power-down duration is limited by the refresh require-
ments of the device (
While in power-down, CKE LOW and a stable clock signal must be maintained at the
inputs of the DDR SDRAM, while all other input signals are “Don’t Care.” The power-
down state is synchronously exited when CKE is registered HIGH (in conjunction with a
NOP or DESELECT command). A valid executable command may be applied one clock
cycle later.
t
WR) is satisfied.
t
REFC).
81
Micron Technology, Inc., reserves the right to change products or specifications without notice.
1Gb: x4, x8, x16 DDR SDRAM
©2003 Micron Technology, Inc. All rights reserved.
Operations