IS41LV16257B-35T-TR ISSI, Integrated Silicon Solution Inc, IS41LV16257B-35T-TR Datasheet - Page 8

• 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
8
Symbol Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
OFF
ACH
OEH
DS
DH
RWC
RWD
CWD
AWD
PC
RASP
CPA
PRWC
WHZ
CLCH
CSR
CHR
ORD
REF
T
Column-Address Setup Time to CAS
Precharge during WRITE Cycle
OE Hold Time from WE during
READ-MODIFY-WRITE cycle
Data-In Setup Time
Data-In Hold Time
READ-MODIFY-WRITE Cycle Time
RAS to WE Delay Time during
READ-MODIFY-WRITE Cycle
CAS to WE Delay Time
Column-Address to WE Delay Time
Fast Page Mode READ or WRITE
Cycle Time
RAS Pulse Width
Access Time from CAS Precharge
READ-WRITE Cycle Time
Output Buffer Turn-Off Delay from
CAS or RAS
Output Disable Delay from WE
Last CAS going LOW to First CAS
returning HIGH
CAS Setup Time (CBR REFRESH)
CAS Hold Time (CBR REFRESH)
OE Setup Time prior to RAS during
HIDDEN REFRESH Cycle
Refresh Period (512 Cycles)
Transition Time (Rise or Fall)
(24)
(13,15,19, 29)
(23)
(15, 22)
(15, 22)
(14, 20)
(1,2,3,4,5,6)
(24)
(2, 3)
(18)
(14)
(30, 21)
(15)
(30, 20)
(14)
(Recommended Operating Conditions unless otherwise noted.)
Min.
15
80
46
25
30
14
45
10
35
—
—
8
0
6
3
3
8
8
0
2
-35
Max.
100K
—
—
—
—
—
—
—
—
—
20
—
10
10
—
—
—
—
50
8
Min.
140
15
15
10
80
36
49
25
60
—
60
10
10
10
—
0
3
3
0
2
-60
Integrated Silicon Solution, Inc.
100K
Max.
35
15
15
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
Units
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
06/18/07
Rev. C