HYB39S256800FE-7 Qimonda, HYB39S256800FE-7 Datasheet - Page 19

• Manufacturer Part Number: HYB39S256800FE-7
• Description: IC SDRAM 256MBIT 143MHZ 54TSOP
• Manufacturer: Qimonda

Specifications of HYB39S256800FE-7

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (32M x 8)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 54-TSOP II
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 675-1003-2

4.2
This chapter lists the AC characteristics.
Rev. 1.42, 2007-09
03292006-TMTK-JFEU
Parameter
Clock and Clock Enable
Clock Frequency
Access Time from Clock
Clock High Pulse Width
Clock Low Pulse Width
Transition time
Setup and Hold Times
Input Setup Time
Input Hold Time
CKE Setup Time
CKE Hold Time
Mode Register Set-up to Active delay
Power Down Mode Entry Time
Common Parameters
Row to Column Delay Time
Row Precharge Time
Row Active Time
Row Cycle Time
Row Cycle Time during Auto Refresh
Activate(a) to Activate(b) Command period
CAS(a) to CAS(b) Command period
Refresh Cycle
Refresh Period (8192 cycles)
Self Refresh Exit Time
Data Out Hold Time
Read Cycle
Data Out to Low Impedance Time
Data Out to High Impedance Time
DQM Data Out Disable Latency
AC Characteristics
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CK
AC
CH
CL
T
IS
IH
CKS
CKH
RSC
SB
RCD
RP
RAS
RC
RFC
RRD
CCD
REF
SREX
OH
LZ
HZ
DQZ
19
Min.
7
7.5
—
—
2.5
2.5
0.3
1.5
0.8
1.5
0.8
2
0
15
15
37
60
63
14
1
–
1
3
0
3
—
PC143–333
–7
Max.
—
—
5.4
5.4
—
—
1.2
—
—
—
—
—
7
—
—
100k
—
—
—
—
64
—
—
—
7
2
HY[B/I]39S256[40/80/16][0/7]F[E/T/F](L)
AC Timing - Absolute Specifications
Min.
6
7.5
—
—
2
2
0.3
1.5
0.8
1.5
0.8
2
0
15
15
36
60
60
12
1
–
1
2.5
0
3
—
PC166–333
256-MBit Synchronous DRAM
–6
Max.
—
—
5.4
5.4
—
—
1.2
—
—
—
—
—
6
—
—
100k
—
—
—
—
64
—
—
—
6
2
Internet Data Sheet
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
ns
ns
ns
ns
ns
ns
ns
t
ms
t
ns
ns
ns
t
CK
CK
CK
CK
Unit
TABLE 13
Note
CL3
CL2
CL3
CL2
3)4)5)
6)
6)
6)
6)
7)
7)
7)
7)
7)
3)5)
1)2)3)