Datasheet

T1 T2 Ta0 Ta1 Tb0T0
PRE or
PREA
DES
DES DES
t
IS
t
PD
t
CPDED
DON'T CARETIME BREAK
t
PRPDEN
DES
VALID
t
CKE
CK#
CK
CKE
ADDR
CMD
Figure 35. Precharge/Precharge all Command Power-Down Entry
CK#
T1 Ta0 Tb0 Tb1 Tc0T0
CK
CKE
DESMRS DES
DES
t
IS
t
PD
t
CPDED
DON'T CARETIME BREAK
t
MRSPDEN
DES
VALID
ADDR
CMD
t
CKE
Figure 36. MRS Command Power-Down Entry
AS4C256M16D4
Confidential
- 52 of 201 -
Rev.1.0 Aug.2019