tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 7

• Manufacturer Part Number: tc59lm814
• Description: 256mbits Network Fcram1
• Manufacturer: TOSHIBA Semiconductor CORPORATION

AC CHARACTERISTICS AND OPERATING CONDITIONS
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
t
t
t
SYMBOL
RC
CK
RAC
CH
CL
CKQS
QSQ
AC
OH
QSPRE
HP
QSP
QSQV
DQSS
DSPRE
DSPRES
DSPREH
DSP
DSS
DSPST
DSPSTH
DSSK
DS
DH
DIPW
IS
IH
IPW
LZ
HZ
Random Cycle Time
Clock Cycle Time
Random Access Time
Clock High Time
Clock Low Time
DQS Access Time from CLK
Data Output Skew from DQS
Data Access Time from CLK
Data Output Hold Time from CLK
DQS (read) Preamble Pulse
Width
CLK half period (minimum of
Actual t
DQS (read) Pulse Width
Data Output Valid Time from DQS
DQS (write) Low to High Setup
Time
DQS (write) Preamble Pulse Width
DQS First Input Setup Time
DQS First Low Input Hold Time
DQS High or Low Input Pulse Width
DQS Input Falling Edge
to Clock Setup Time
DQS (write) Postamble Pulse Width
DQS (write) Postamble
Hold Time
UDQS - LDQS Skew (x16)
Data Input Setup Time from DQS
Data Input Hold Time from DQS
Data Input Pulse Width
(for each device)
Command/Address Input Setup
Time
Command/Address Input Hold
Time
Command/Address Input Pulse
Width (for each device)
Data-out Low Impedance Time
from CLK
Data-out High Impedance Time
from CLK
CH
PARAMETER
, t
CL
)
C
C
C
C
C
C
L
L
L
L
L
L
= 3
= 4
= 3
= 4
= 3
= 4
min(t
0.45 × t
0.45 × t
t
t
0.75 × t
0.25 × t
0.45 × t
0.45 × t
-0.5 × t
0.9 × t
0.4 × t
HP
HP
−0.65
−0.65
−0.65
−0.65
− 0.2
MIN
5.5
1.3
1.3
1.3
1.3
0.5
0.5
1.5
0.9
0.9
2.0
CH
− 0.55
− 0.55
25



5
0
, t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CL
)
-50
1.25 × t
0.55 × t
1.1 × t
0.5 × t
MAX
+ 0.2
0.65
0.65
0.65
0.65
0.4

12
12
22




















CK
CK
CK
CK
min(t
t
t
0.45 × t
0.45 × t
0.75 × t
0.25 × t
0.45 × t
0.45 × t
-0.5 × t
0.9 × t
0.4 × t
TC59LM814/06CTG-50,-60
HP
HP
−0.85
−0.85
−0.85
−0.85
− 0.2
MIN
6.5
1.5
1.5
1.5
1.5
0.6
0.6
1.9
1.0
1.0
2.2
(Notes: 1, 2)
CH
− 0.65
− 0.65
30



6
0
, t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CL
)
-60
1.25 × t
0.55 × t
1.1 × t
0.5 × t
+ 0.2
MAX
0.85
0.85
0.85
0.85
0.5
12
12
26





















2005-06-21 7/39
CK
CK
CK
CK
UNIT
ns
Rev 1.2
NOTES
3,6,8
3,7,8
3, 9
3, 9
3, 8
3, 8
3, 8
3, 8
4, 8
4, 8
3, 4
3, 4
3, 4
3, 4
3
3
3
3
4
3
3
4
3
3
4
4
4
4
3
3