MSC23132DL OKI electronic componets, MSC23132DL Datasheet - Page 9

• Manufacturer Part Number: MSC23132DL
• Description: 32-bit DYNAMIC RAM MODULE
• Manufacturer: OKI electronic componets

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Notes: 1. A start-up delay of 200µs is required after power-up, followed by a minimum of eight initialization cycles
10. In a test mode read cycle, the value of access time parameters is delayed for 5ns for the specified value.
Semiconductor
2. The AC characteristics assumes t
3. V
4. This parameter is measured with a load circuit equivalent to 2TTL loads and 100pF.
5. Operation within the t
6. Operation within the t
7. t
8. t
9. The test mode is initiated by performing a /WE and /CAS before /RAS refresh cycle. This mode is
(/RAS only refresh or /CAS before /RAS refresh) before proper device operation is achieved.
measured between V
t
the access time is controlled by t
t
the access time is controlled by t
to output voltage levels.
latched and remains in effect until the exit cycle is generated. The test mode specified in this data sheet
is a 2-bit parallel test function. CA0 is not used. In a read cycle, if all internal bits are equal, the DQ pin
will indicate a high level. If any internal bits are not equal, the DQ pin will indicate a low level.
The test mode is cleared and the memory device returned to its normal operating state by a /RAS only
refresh or /CAS before /RAS refresh cycle.
These parameters should be specified in test mode cycle by adding the above value to the specified
value in this data sheet.
RCD
RAD
OFF
RCH
IH
(Min.) and V
(Max.) define the time at which the output achieves the open circuit condition and are not referenced
(Max.) is specified as a reference point only. If t
(Max.) is specified as a reference point only. If t
or t
RRH
must be satisfied for a read cycle.
IL
(Max.) are reference levels for measuring input timing signals. Transition time (t
IH
RCD
RAD
and V
(Max.) limit ensures that t
(Max.) limit ensures that t
IL
.
CAC
AA
T
.
= 5ns.
.
RAC
RAC
RCD
RAD
(Max.) can be met.
(Max.) can be met.
is greater than the specified t
is greater than the specified t
RCD
RAD
(Max.) limit, then
(Max.) limit, then
MSC23132D/DL
T
) are
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