IDT71V2556S Integrated Device Technology, IDT71V2556S Datasheet - Page 4

• Manufacturer Part Number: IDT71V2556S
• Description: 128k X 36, 256k X 18 3.3v Synchronous Zbt Srams 2.5v I/o, Burst Counter Pipelined Outputs
• Manufacturer: Integrated Device Technology

Functional Block Diagram
NOTES:
1. V
2. V
Recommended DC Operating
Conditions
IDT71V2556, IDT71V2558, 128K x 36, 256K x 18, 3.3V Synchronous ZBT™ SRAMs
with 2.5V I/O, Burst Counter, and Pipelined Outputs
Symbol
V
V
V
V
V
V
DDQ
IL
IH
DD
SS
IH
IH
IL
(min.) = –1.0V for pulse width less than t
(max.) = +6.0V for pulse width less than t
Core Supply Voltage
I/O Supply Voltage
Supply Voltage
Input High Voltage - Inputs
Input High Voltage - I/O
Input Low Voltage
Address A [0:17]
Parameter
CE1, CE2, CE2
ADV/LD
Clock
(optional)
TRST
BWx
CEN
TMS
LBO
R/W
TCK
TDI
OE
3.135
2.375
-0.3
Min.
1.7
1.7
0
(1)
CYC
CYC
/2, once per cycle.
Typ.
3.3
2.5
/2, once per cycle.
____
____
____
0
(SA Version)
D
D
D
V
Clk
JTAG
V
DDQ
3.465
2.625
DD
Max.
0.7
0
+0.3
Q
Q
Q
+0.3
(2)
4875 tbl 03
Unit
V
V
V
V
V
V
6.42
TDO
4
Control Logic
Gate
Commercial and Industrial Temperature Ranges
Address
Control
MEMORY ARRAY
Data I/O [0:15],
Output Register
256x18 BIT
DI
I/O P[1:2]
Mux
D
Q
DO
Sel
4875 drw 01b