IS41LV16257B-35T-TR ISSI, Integrated Silicon Solution Inc, IS41LV16257B-35T-TR Datasheet - Page 7

• Manufacturer Part Number: IS41LV16257B-35T-TR
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: FPMr

Specifications of IS41LV16257B-35T-TR

• Organization: 256Kx16
• Density: 4Mb
• Address Bus: 9b
• Access Time (max): 35ns
• Maximum Clock Rate: Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 220mA
• Pin Count: 40
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

IS41LV16257B
AC CHARACTERISTICS
Integrated Silicon Solution, Inc.
Rev. C
06/18/07
Symbol Parameter
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
t
t
t
t
t
t
t
OD
RC
RAC
CAC
AA
RAS
RP
CAS
CP
CSH
RCD
ASR
RAH
ASC
CAH
AR
RAD
RAL
RPC
RSH
CLZ
CRP
OE
OEHC
OEP
OES
RCS
RRH
RCH
WCH
WCR
WP
WPZ
RWL
CWL
WCS
DHR
Random READ or WRITE Cycle Time
Access Time from RAS
Access Time from CAS
Access Time from Column-Address
RAS Pulse Width
RAS Precharge Time
CAS Pulse Width
CAS Precharge Time
CAS Hold Time
RAS to CAS Delay Time
Row-Address Setup Time
Row-Address Hold Time
Column-Address Setup Time
Column-Address Hold Time
Column-Address Hold Time
(referenced to RAS)
RAS to Column-Address Delay Time
Column-Address to RAS Lead Time
RAS to CAS Precharge Time
RAS Hold Time
CAS to Output in Low-Z
CAS to RAS Precharge Time
Output Disable Time
Output Enable Time
OE HIGH Hold Time from CAS HIGH
OE HIGH Pulse Width
OE LOW to CAS HIGH Setup Time
Read Command Setup Time
Read Command Hold Time
(referenced to RAS)
Read Command Hold Time
(referenced to CAS)
Write Command Hold Time
Write Command Hold Time
(referenced to RAS)
Write Command Pulse Width
WE Pulse Widths to Disable Outputs
Write Command to RAS Lead Time
Write Command to CAS Lead Time
Write Command Setup Time
Data-in Hold Time (referenced to RAS)
(27)
(21)
(26)
(15, 16)
(12, 17, 21)
(12)
(17)
(19, 28, 29)
(9, 25)
(6, 7)
(6, 8, 15)
(15, 29)
(10, 20)
(1,2,3,4,5,6)
(17, 27)
(20)
(14, 17, 20)
(17, 20)
(17)
(20)
(21)
(17, 21)
(17)
(Recommended Operating Conditions unless otherwise noted.)
(6)
(11)
Min. Max.
70
25
35
13
30
12
18
10
30
10
10
30
—
—
—
35
—
6
6
0
6
0
6
0
3
5
3
8
8
5
0
0
0
5
5
8
0
-35
10K
10K
—
35
11
18
—
—
—
24
—
—
—
—
—
20
—
—
—
—
—
15
11
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Min. Max.
110
—
—
—
60
40
10
10
60
20
10
10
45
15
30
15
—
10
50
10
10
15
15
46
0
0
0
3
5
3
8
8
7
0
0
0
0
-60
10K
10K
—
60
15
30
—
—
—
45
—
—
—
—
—
30
—
—
—
—
—
15
15
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Units
(Continued)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
7