參數(shù)資料
型號(hào): IDT70V3389S
廠(chǎng)商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
中文描述: 高速與3.3V 3.3V的64K的× 18 SYNCHRONOU仛流水線(xiàn)雙端口靜態(tài)RAM或2.5V的接口
文件頁(yè)數(shù): 5/17頁(yè)
文件大?。?/td> 176K
代理商: IDT70V3389S
6.42
IDT70V3389S
High-Speed 64K x 18 Dual-Port Synchronous Pipelined Static RAM Industrial and Commercial Temperature Ranges
NOTES:
1. "H" = V
IH,
"L" = V
IL,
"X" = Don't Care.
2.
ADS
,
CNTEN
,
CNTRST
= V
IH
.
3.
OE
is an asynchronous input signal.
&'&()*+,*-(
!#
.
Left Port
Right Port
Names
CE
0L
,
CE
1L
CE
0R
,
CE
1R
Chip Enables
R/
W
L
R/
W
R
Read/Write Enable
OE
L
OE
R
Output Enable
A
0L
- A
15L
A
0R
- A
15R
Address
I/O
0L
- I/O
17L
I/O
0R
- I/O
17R
Data Input/Output
CLK
L
CLK
R
Clock
ADS
L
ADS
R
Address Strobe Enable
CNTEN
L
CNTEN
R
Counter Enable
CNTRST
L
CNTRST
R
Counter Reset
UB
L
- LB
L
UB
R
- LB
R
Byte Enables (9-bit bytes)
V
DDQL
V
DDQR
Power (I/O Bus) (3.3V or 2.5V)
(1)
OPT
L
OPT
R
Option for selecting V
DDQX
(1,2)
V
DD
Power (3.3V)
(1)
V
SS
Ground (0V)
4832 tbl 01
OE
CLK
CE
0
CE
1
UB
LB
R/
W
Upper Byte
I/O
9-18
Lower Byte
I/O
0-8
MODE
X
L
H
H
H
X
High-Z
High-Z
All Bytes Deselected
X
L
H
H
L
L
High-Z
D
IN
Write to Lower Byte Only
X
L
H
L
H
L
D
IN
High-Z
Write to Upper Byte Only
X
L
H
L
L
L
D
IN
D
IN
Write to Both Bytes
L
L
H
H
L
H
High-Z
D
OUT
Read Lower Byte Only
L
L
H
L
H
H
D
OUT
High-Z
Read Upper Byte Only
L
L
H
L
L
H
D
OUT
D
OUT
Read Both Bytes
H
L
H
L
L
X
High-Z
High-Z
Outputs Disabled
4832 tbl 02
NOTES:
1. V
DD
, OPT
X
, and V
DDQX
must be set to appropriate operating levels prior to
applying inputs on the I/Os and controls for that port.
2. OPT
X
selects the operating voltage levels for the I/Os and controls on that port.
If OPT
X
is set to VIH (3.3V), then that port's I/Os and controls will operate at 3.3V
levels and V
DDQX
must be supplied at 3.3V. If OPT
X
is set to VIL (0V), then that
port's I/Os and controls will operate at 2.5V levels and V
DDQX
must be supplied
at 2.5V. The OPT pins are independent of one another—both ports can operate
at 3.3V levels, both can operate at 2.5V levels, or either can operate at 3.3V
with the other at 2.5V.
相關(guān)PDF資料
PDF描述
IDT70V3389S4BC HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70V3389S4BCI HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70V3389S4BF HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70V3389S4BFI HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70V3389S4PRF HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
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