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IS61LV2568L-8TL

P1-P3P4-P6P7-P9P10-P12P13-P14
IS61LV2568L
10
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. D
04/28/08
AC WAVEFORMS
WRITE CYCLE NO. 2
(1)
(WE Controlled, OE = HIGH during Write Cycle)
WRITE CYCLE NO. 3 (WE Controlled: OE is LOW During Write Cycle)
Note:
1. The internal Write time is defined by the overlap of CE = LOW and WE = LOW. All signals must be in valid states to initiate a Write, but any
can be deasserted to terminate the Write. The Data Input Setup and Hold timing is referenced to the rising or falling edge of the signal that
terminates the Write.
Note:
1. The internal Write time is defined by the overlap of CE = LOW and WE = LOW. All signals must be in valid states to initiate a Write, but any
can be deasserted to terminate the Write. The Data Input Setup and Hold timing is referenced to the rising or falling edge of the signal that
terminates the Write.
DATA UNDEFINED
LOW
t
WC
VALID ADDRESS
t
PWE1
t
AW
t
HA
HIGH-Z
t
HD
t
SA
t
HZWE
ADDRESS
CE
WE
D
OUT
D
IN
OE
DATA
IN
VALID
t
LZWE
t
SD
CE_WR2.eps
DATA UNDEFINED
t
WC
VALID ADDRESS
LOW
LOW
t
PWE2
t
AW
t
HA
HIGH-Z
t
HD
t
SA
t
HZWE
ADDRESS
CE
WE
D
OUT
D
IN
OE
DATA
IN
VALID
t
LZWE
t
SD
CE_WR3.eps
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
11
Rev. D
04/28/08
IS61LV2568L
ORDERING INFORMATION
Commercial Range: 0°C to +70°C
Speed (ns) Order Part No. Package
8 IS61LV2568L-8K 400-mil SOJ
IS61LV2568L-8T TSOP (Type II)
IS61LV2568L-8TL TSOP (Type II), Lead-free
10 IS61LV2568L-10T TSOP (Type II)
IS61LV2568L-10TL TSOP (Type II), Lead-free
Industrial Range: –40°C to +85°C
Speed (ns) Order Part No. Package
10 IS61LV2568L-10KI 400-mil SOJ
IS61LV2568L-10KLI 400-mil SOJ, Lead-free
Integrated Silicon Solution, Inc. — www.issi.com —
1-800-379-4774
Rev. F
10/29/03
Copyright © 2003 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time
without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to
obtain the latest version of this device specification before relying on any published information and before placing orders for products.
PACKAGING INFORMATION
400-mil Plastic SOJ
Package Code: K
Notes:
1. Controlling dimension:
millimeters.
2. BSC = Basic lead spacing
between centers.
3. Dimensions D and E1 do not
include mold flash protrusions
and should be measured from
the bottom of the package.
4. Reference document: JEDEC
MS-027.
SEATING PLANE
1
N
E1
D
E2
E
B
e
A1
A
C
A2
b
N/2+1
N/2
Millimeters Inches Millimeters Inches Millimeters Inches
Symbol Min Max Min Max Min Max Min Max Min Max Min Max
No. Leads (N) 28 32 36
A 3.25 3.75 0.128 0.148 3.25 3.75 0.128 0.148 3.25 3.75 0.128 0.148
A1 0.64 — 0.025 — 0.64 — 0.025 — 0.64 — 0.025 —
A2 2.08 — 0.082 — 2.08 — 0.082 — 2.08 — 0.082 —
B 0.38 0.51 0.015 0.020 0.38 0.51 0.015 0.020 0.38 0.51 0.015 0.020
b 0.66 0.81 0.026 0.032 0.66 0.81 0.026 0.032 0.66 0.81 0.026 0.032
C 0.18 0.33 0.007 0.013 0.18 0.33 0.007 0.013 0.18 0.33 0.007 0.013
D 18.29 18.54 0.720 0.730 20.82 21.08 0.820 0.830 23.37 23.62 0.920 0.930
E 11.05 11.30 0.435 0.445 11.05 11.30 0.435 0.445 11.05 11.30 0.435 0.445
E1 10.03 10.29 0.395 0.405 10.03 10.29 0.395 0.405 10.03 10.29 0.395 0.405
E2 9.40 BSC 0.370 BSC 9.40 BSC 0.370 BSC 9.40 BSC 0.370 BSC
e 1.27 BSC 0.050 BSC 1.27 BSC 0.050 BSC 1.27 BSC 0.050 BSC
P1-P3P4-P6P7-P9P10-P12P13-P14

IS61LV2568L-8TL

Mfr. #:
Buy IS61LV2568L-8TL
Manufacturer:
ISSI
Description:
SRAM 2Mb (256k x 8) Async SRAM 3.3v
Lifecycle:
New from this manufacturer.
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