tc59lm818dmb TOSHIBA Semiconductor CORPORATION, tc59lm818dmb Datasheet - Page 8

• Manufacturer Part Number: tc59lm818dmb
• Description: 288mbits Network Fcram2 ? 4,194,304-words ? 4 Banks ? 18-bits
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC CHARACTERISTICS AND OPERATING CONDITIONS
(V
DD
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
RC
CK
RAC
CH
CL
CKQS
QSQ
AC
OH
HP
QSP
QSQV
QHS
DQSS
DSPRE
DSPRES
DSPREH
DSP
DSS
DSPST
DSPSTH
DS
DH
IS
IH
LZ
HZ
= 2.5 V ± 0.125V, V
Random Cycle Time
Clock Cycle Time
Random Access Time
Clock High Time
Clock Low Time
QS Access Time from CLK
Data Output Skew from QS
Data Access Time from CLK
Data Output Hold Time from CLK
CLK half period
(minimum of Actual t
QS (read) Pulse Width
Data Output Valid Time from QS
DQ, QS Hold Skew factor
DS (write) Low to High Setup Time
DS (write) Preamble Pulse Width
DS First Input Setup Time
DS First Low Input Hold Time
DS High or Low Input Pulse Width
DS Input Falling Edge
to Clock Setup Time
DS (write) Postamble Pulse Width
DS (write) Postamble
Hold Time
Data Input Setup Time from DS
Data Input Hold Time from DS
Command/Address Input Setup
Time
Command/Address Input Hold
Time
Data-out Low Impedance Time
from CLK
Data-out High Impedance Time
from CLK
PARAMETER
DDQ
CH
, t
= 1.4V
C
C
C
CL
C
C
C
C
C
C
L
L
L
L
L
L
L
L
L
)
= 4
= 5
= 6
= 4
= 5
= 6
= 4
= 5
= 6
~
1.9V, T
t
(t
t
0.45 × t
0.45 × t
0.45 × t
0.45 × t
HP
0.4 × t
HP
0.8 × t
0.3 × t
CH
−0.45
22.5
3.75
3.33
−0.5
−0.5
0.35
0.35
−0.5
MIN
min
− t
4.5
0.8
0.8
0.8
0.8
0.8
0.8
0.6
0.6
−t




0
, t
QHS
QHS
CL
CK
CK
CK
CK
CK
CK
CK
)
CASE
-33
0.055×t
0.55 × t
= 0 ~ 85°C)
1.2 × t
MAX
22.5
0.45
0.25
0.17
0. 5
7.5
7.5
7.5
0.5
0.5





















CK
CK
CK
+
t
t
0.45 × t
0.45 × t
(t
0.45 × t
0.45 × t
HP
0.4 × t
HP
0.8 × t
0.3 × t
CH
−0.65
−0.65
−0.65
−0.6
MIN
(Notes: 1, 2)
min
5.0
4.5
4.0
− t
1.0
1.0
1.0
1.0
1.0
1.0
0.4
0.4
0.7
0.7
−t
25




0
, t
TC59LM818DMB-33,-40
QHS
QHS
CL
CK
CK
CK
CK
CK
CK
CK
)
-40
0.055×t
0.55 × t
1.2 × t
MAX
0.65
0.65
0.17
0.65
7.5
7.5
7.5
0.6
0.3
25





















2005-10-19 8/57
CK
CK
CK
+
UNIT NOTES
ns
Rev 1.4
3, 8, 10
3, 8, 10
3,6,8
3,7,8
3, 8
4, 8
4, 8
3, 4
3, 4
3, 4
3, 4
3, 4
3, 4
3
3
3
3
3
3
3
3
3
4
3
3
4
4
4
4
3
3