71V2556S133PF IDT, Integrated Device Technology Inc, 71V2556S133PF Datasheet - Page 11

• Manufacturer Part Number: 71V2556S133PF
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 71V2556S133PF

• Density: 4.5Mb
• Access Time (max): 4.2ns
• Sync/async: Synchronous
• Architecture: SDR
• Clock Freq (max): 133MHz
• Operating Supply Voltage (typ): 3.3V
• Address Bus: 17b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 300mA
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Word Size: 36b
• Number Of Words: 128K
• Lead Free Status / Rohs Status: Not Compliant

Device Operation - Showint Mixed Load, Burst,
Deselect and NOOP Cycles
NOTES:
1. CE = L is defined as CE
2. H = High; L = Low; X = Don’t Care; Z = High Impedance.
Read Operation
NOTES:
1. H = High; L = Low; X = Don’t Care; Z = High Impedance.
2. CE = L is defined as CE
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs
with 2.5V I/O, Burst Counter, and Pipelined Outputs
Cycle
Cycle
n+10
n+12
n+13
n+14
n+15
n+16
n+17
n+18
n+19
n+11
n+1
n+2
n+3
n+4
n+5
n+6
n+7
n+8
n+9
n+1
n+2
n
n
Address
Address
A
A
A
A
A
A
A
A
A
A
A
X
X
X
X
X
X
X
X
X
X
X
X
0
2
3
4
5
6
7
8
9
0
1
1
1
= L, CE
= L, CE
R/W
R/W
X
X
X
X
X
X
X
X
X
X
X
X
H
H
H
L
L
L
H
L
H
L
H
(1)
2
2
= L and CE
= L and CE
ADV/LD
ADV/LD
X
X
L
H
L
L
H
L
H
L
L
H
L
L
H
L
L
L
H
L
H
L
L
2
2
= H. CE = H is defined as CE
= H. CE = H is defined as CE
CE
CE
X
H
X
X
H
X
H
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
(1)
(2)
(2)
CEN
CEN
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
BWx
BWx
6.42
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
L
L
L
L
L
L
L
11
1
1
= H, CE
= H, CE
OE
OE
X
X
X
X
X
X
X
X
X
X
X
X
X
2
X
X
2
L
L
L
L
L
L
L
L
= H or CE
= H or CE
Q
Q
D
D
I/O
I/O
Q
Q
Q
Q
Q
Q
D
D
D
D
X
X
Z
Z
Z
Z
Z
X
X
3+1
7+1
0+1
2+1
2
2
0
2
3
4
5
6
7
8
0
1
= L.
= L.
Commercial and Industrial Temperature Ranges
Comments
Load read
Burst read
Load read
Deselect or STOP
NOOP
Load read
Burst read
Deselect or STOP
Load write
Burst write
Load write
Deselect or STOP
NOOP
Load write
Load read
Load write
Burst write
Load read
Burst read
Load write
Comments
Clock Setup Valid
Contents of Address A
Address and Control meet setup
0
Read Out
4875 tbl 12
4875 tbl 13