hm5118165tt-7 Elpida Memory, Inc., hm5118165tt-7 Datasheet - Page 14

• Manufacturer Part Number: hm5118165tt-7
• Description: 16 M Edo Dram 1-mword ? 16-bit
• Manufacturer: Elpida Memory, Inc.

HM5118165 Series
Notes concerning 2CAS control
Please do not separate the UCAS/LCAS operation timing intentionally.
UCAS/LCAS are allowed under the following conditions.
1. Each of the UCAS/LCAS should satisfy the timing specifications individually.
2. Different operation mode for upper/lower byte is not allowed; such as following.
3. Closely separated upper/lower byte control is not allowed. However when the condition (t
4. Byte control operation by remaining UCAS or LCAS high is guaranteed.
14
UCAS
LCAS
satisfied, EDO page mode can be performed.
RAS
WE
UCAS
LCAS
RAS
Data Sheet E0154H10
t UL
However skew between
CP
Delayed write
Early write
t
UL
) is