参数资料
型号: MT42L64M32D1KL-25 IT:A
厂商: Micron Technology Inc
文件页数: 95/164页
文件大小: 0K
描述: IC DDR2 SDRAM 2GBIT 168FBGA
标准包装: 1,000
格式 - 存储器: RAM
存储器类型: 移动 LPDDR2 SDRAM
存储容量: 2G(64M x 32)
速度: 400MHz
接口: 并联
电源电压: 1.14 V ~ 1.3 V
工作温度: -25°C ~ 85°C
封装/外壳: 168-WFBGA
供应商设备封装: 168-FBGA(12x12)
包装: 散装
2Gb: x16, x32 Mobile LPDDR2 SDRAM S4
Power-Down
Figure 68: Power-Down Entry and Exit Timing
2 tCK (MIN)
CK/CK#
tIHCKE
Input clock frequency can be changed
or the input clock can be stopped during power-down. 1
tIHCKE
tCKE (MIN)
CKE
CS#
tISCKE
tCKE (MIN)
tISCKE
tXP (MIN)
Valid Enter NOP
CMD
PD
Exit
PD
NOP Valid Valid
Enter power-down mode
Exit power-down mode
Don’t Care
Note:
1. Input clock frequency can be changed or the input clock stopped during power-down,
provided that the clock frequency is between the minimum and maximum specified fre-
quencies for the speed grade in use, and that prior to power-down exit, a minimum of
two stable clocks complete.
Figure 69: CKE Intensive Environment
CK#
CK
t CKE
t CKE
t CKE
t CKE
CKE
Figure 70: REFRESH-to-REFRESH Timing in CKE Intensive Environments
CK#
CK
t CKE
t CKE
t CKE
t CKE
CKE
CMD
t XP
REFRESH
t REFI
t XP
REFRESH
Note:
1. The pattern shown can repeat over an extended period of time. With this pattern, all
AC and DC timing and voltage specifications with temperature and voltage drift are en-
sured.
PDF: 09005aef83f3f2eb
2gb_mobile_lpddr2_s4_g69a.pdf – Rev. N 3/12 EN
95
Micron Technology, Inc. reserves the right to change products or specifications without notice.
2010 Micron Technology, Inc. All rights reserved.
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