IS42S32400D-7TL INTEGRATED SILICON SOLUTION (ISSI), IS42S32400D-7TL Datasheet - Page 17

• Manufacturer Part Number: IS42S32400D-7TL
• Description: IC, SDRAM, 128MBIT, 143MHZ, TSOP-86
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S32400D-7TL

• Memory Type: DRAM - Sychronous
• Access Time: 7ns
• Page Size: 128Mbit
• Ic Interface Type: Parallel
• Memory Case Style: TSOP
• No. Of Pins: 86
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32400D
OPERATING FREQUENCY / LATENCY RELATIONSHIPS
Integrated Silicon Solution, Inc. — www.issi.com
Rev. F
03/03/09
SYMBOL PARAMETER
—
—
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CAC
RCD
RAC
RC
RAS
RP
RRD
CCD
DPL
DAL
RBD
WBD
RQL
WDL
PQL
QMD
DMD
MRD
Clock Cycle Time
Operating Frequency
CAS Latency
Active Command To Read/Write Command Delay Time
RAS Latency (t
Command Period (REF to REF / ACT to ACT)
Command Period (ACT to PRE)
Command Period (PRE to ACT)
Command Period (ACT[0] to ACT [1])
Column Command Delay Time
(READ, READA, WRIT, WRITA)
Input Data To Precharge Command Delay Time
Input Data To Active/Refresh Command Delay Time
(During Auto-Precharge)
Burst Stop Command To Output in HIGH-Z Delay Time
(Read)
Burst Stop Command To Input in Invalid Delay Time
(Write)
Precharge Command To Output in HIGH-Z Delay Time
(Read)
Precharge Command To Input in Invalid Delay Time
(Write)
Last Output To Auto-Precharge Start Time (Read)
DQM To Output Delay Time (Read)
DQM To Input Delay Time (Write)
Mode Register Set To Command Delay Time
RCD
+ t
CAC
)
CAS Latency = 3
CAS Latency = 2
CAS Latency = 3
CAS Latency = 2
CAS Latency = 3
CAS Latency = 2
CAS Latency = 3
CAS Latency = 2
166
—
10
—
—
—
-2
6
3
3
6
7
3
2
1
2
5
3
0
3
0
2
0
2
143
10
–2
—
—
—
—
7
3
3
6
7
3
2
1
2
5
3
0
3
0
2
0
2
125
2/3
-2
-1
8
3
6
5
8
6
3
2
1
2
4
3
2
0
3
2
0
2
0
2
100
2/3
10
-2
-1
2
5
4
7
5
2
2
1
2
4
3
2
0
3
2
0
2
0
2
UNITS
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
cycle
MHz
ns
17