IS62WV5128BLL-55BLI ISSI, Integrated Silicon Solution Inc, IS62WV5128BLL-55BLI Datasheet - Page 7

• Manufacturer Part Number: IS62WV5128BLL-55BLI
• Description: IC SRAM 4MBIT 55NS 36MBGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS62WV5128BLL-55BLI

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 4M (512K x 8)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 2.5 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 36-MBGA
• Density: 4Mb
• Access Time (max): 55ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 19b
• Package Type: Mini BGA
• Operating Temp Range: -40C to 85C
• Number Of Ports: 1
• Supply Current: 45mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 36
• Word Size: 8b
• Number Of Words: 512K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS62WV5128ALL,
READ CYCLE SWITCHING CHARACTERISTICS
Notes:
1. Test conditions assume signal transition times of 5 ns or less, timing reference levels of 0.9V/1.5V, input pulse levels of 0.4 to
2. Tested with the load in Figure 2. Transition is measured ±500 mV from steady-state voltage. Not 100% tested.
AC WAVEFORMS
READ CYCLE NO. 1
Integrated Silicon Solution, Inc. — www.issi.com
Rev. E
01/29/08
Symbol
t
t
t
t
t
t
t
t
t
V
RC
HZCS1
AA
OHA
ACS1
DOE
HZOE
LZOE
LZCS1
DD
-0.2V/V
ADDRESS
(2)
(2)
D
DD
OUT
-0.3V and output loading specified in Figure 1.
Parameter
Read Cycle Time
Address Access Time
Output Hold Time
CS1 Access Time
OE Access Time
OE to High-Z Output
OE to Low-Z Output
CS1 to High-Z Output
CS1 to Low-Z Output
(1,2)
PREVIOUS DATA VALID
(Address Controlled) (CS1 = OE = V
IS62WV5128BLL
Min.
55
—
10
—
—
—
10
t
5
0
OHA
55 ns
Max.
55
55
25
20
20
—
—
—
—
(1)
t
(Over Operating Range)
AA
IL
t
RC
, WE = V
Min.
70
10
10
—
—
—
—
5
0
70 ns
IH
)
Max.
—
70
—
70
35
25
—
25
—
DATA VALID
t
OHA
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
7