MH8V7245BAZTJ-6 Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
Número de pieza
componentes Descripción
Fabricante
MH8V7245BAZTJ-6
MITSUBISHI ELECTRIC
MH8V7245BAZTJ-6 Datasheet PDF : 23 Pages
| |||
Preliminary Spec.
Specifications subject to
change without notice.
MITSUBISHI LSIs
MH8V7245BAZTJ -5, -6
HYPER PAGE MODE 603979776 - BIT ( 8388608 - WORD BY 72 - BIT ) DYNAMIC RAM
FUNCTION
The MH8V7245BAZTJ provide, in addition to normal read,
write, and read-modify-write operations,
a number of other functions, e.g., Hyper page mode, /CAS
before /RAS refresh, and delayed-write. The input conditions
for each are shown in Table 1.
Table 1 Input conditions for each mode
Operation
Read
Write (Early write)
Write (Delayed write)
Read-modify-write
Hidden refresh
/CAS before /RAS refresh
Standby
/RAS
ACT
ACT
ACT
ACT
ACT
ACT
NAC
/CAS
ACT
ACT
ACT
ACT
ACT
ACT
DNC
Inputs
/W
NAC
ACT
ACT
ACT
DNC
NAC
DNC
/OE
ACT
DNC
DNC
ACT
ACT
DNC
DNC
Row
address
APD
APD
APD
APD
DNC
DNC
DNC
Column
address
APD
APD
APD
APD
DNC
DNC
DNC
Note : ACT : active, NAC : nonactive, DNC : don' t care, VLD : valid, IVD : Invalid, APD : applied, OPN : open
Input/Output
Input
Output
OPN
VLD
VLD
VLD
OPN
DNC
DNC
VLD
OPN
IVD
VLD
VLD
OPN
OPN
Refresh
NO
NO
NO
NO
YES
YES
NO
Remark
Hyper page mode
identical
MIT-DS-0284-0.0
MITSUBISHI
ELECTRIC
( 4 / 23 )
9/Nov. /1998
Share Link: