tc59lm913amb-50 TOSHIBA Semiconductor CORPORATION, tc59lm913amb-50 Datasheet - Page 10

• Manufacturer Part Number: tc59lm913amb-50
• Description: 512mbits Network Fcram1 Sstl_2 Interface
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC TEST CONDITIONS
NOTES:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
V
V
V
V
V
Vr
V
SLEW
V
IH (min)
IL (max)
REF
TT
SWING
ID
OTR
SYMBOL
V
Transition times are measured between V
Transition (rise and fall) of input signals have a fixed slope.
If the result of nominal calculation with regard to t
rounded up to the nearest decimal place.
(i.e., t
These parameters are measured from the differential clock (CLK and CLK ) AC cross point.
These parameters are measured from signal transition point of DS crossing V
The t
The t
In such case, the average interval of eight consecutive Auto-Refresh commands has to be more than 400 ns
always. In other words, the number of Auto-Refresh cycles which can be performed within 3.2 µs (8 × 400 ns)
is to 8 times in the maximum.
Low Impedance State is specified at V
High Impedance State is specified where output buffer is no longer driven.
These parameters depend on the clock jitter. These parameters are measured at stable clock.
Output timing is measured by using Normal driver strength.
(AC)
SWING
SLEW = (V
REFI (max)
REFI (min)
DQSS
Input High Voltage (minimum)
Input Low Voltage (maximum)
Input Reference Voltage
Termination Voltage
Input Signal Peak to Peak Swing
Differential Clock Input Reference Level
Input Differential Voltage
Input Signal Minimum Slew Rate
Output Timing Measurement Reference Voltage
IH min
= 0.75 × t
∆T
applies to both burst refresh method and distributed refresh method.
applies to equally distributed refresh method.
(AC) − V
V
V
DDQ
SS
CK
, t
IL max
CK
∆T
= 5 ns, 0.75 × 5 ns = 3.75 ns is rounded up to 3.8 ns.)
(AC))/∆T
PARAMETER
DDQ
V
V
V
IH min
REF
IL max
IH min
/2 ± 0.2 V from steady state.
(AC)
(AC)
(DC) and V
CK
contains more than one decimal place, the result is
IL max
(DC).
V
V
Measurement point
REF
REF
V
V
V
VALUE
Output
V
X
DDQ
DDQ
1.0
1.5
1.0
REF
(AC)
+ 0.35
− 0.35
/2
/2
REF
TC59LM913AMB-50
AC Test Load
25 Ω
level.
2005-11-08 10/46
UNIT
V/ns
V
V
V
V
V
V
V
V
V
TT
NOTES
Rev 1.1
9