IS61C256AL-12JLI-TR ISSI, Integrated Silicon Solution Inc, IS61C256AL-12JLI-TR Datasheet - Page 5

• Manufacturer Part Number: IS61C256AL-12JLI-TR
• Description: IC SRAM 256KBIT 12NS 28SOJ
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS61C256AL-12JLI-TR

• Format - Memory: RAM
• Memory Type: SRAM - Asynchronous
• Memory Size: 256K (32K x 8)
• Speed: 12ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOJ
• Density: 256Kb
• Access Time (max): 12ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 15b
• Package Type: SOJ
• Operating Temp Range: -40C to 85C
• Number Of Ports: 1
• Supply Current: 25mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 32K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant

IS61C256AL
AC WAVEFORMS
READ CYCLE NO. 1
READ CYCLE NO. 2
Integrated Silicon Solution, Inc. — www.issi.com —
Rev. B
10/23/06
Notes:
1. WE is HIGH for a Read Cycle.
2. The device is continuously selected. OE, CE = V
3. Address is valid prior to or coincident with CE LOW transitions.
ADDRESS
ADDRESS
D
OUT
D
OUT
OE
CE
HIGH-Z
PREVIOUS DATA VALID
t
(1,3)
(1,2)
LZCS
t
AA
t
DOE
t
t
IL
LZOE
ACS
.
t
OHA
1-800-379-4774
t
RC
t
AA
t
RC
DATA VALID
DATA VALID
t
HZCS
t
OHA
t
t
OHA
HZOE
READ1.eps
ISSI
CE_RD2.eps
®
5