參數(shù)資料
型號(hào): IDT70V3389S6PRF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類(lèi): DRAM
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: 64K X 18 DUAL-PORT SRAM, 6 ns, PQFP128
封裝: PLASTIC, TQFP-128
文件頁(yè)數(shù): 13/17頁(yè)
文件大?。?/td> 176K
代理商: IDT70V3389S6PRF
6.42
IDT70V3389S
High-Speed 64K x 18 Dual-Port Synchronous Pipelined Static RAM Industrial and Commercial Temperature Ranges
ADDRESS
An
CLK
DATA
OUT
Qx - 1
(2)
Qx
Qn
Qn + 2
(2)
Qn + 3
ADS
CNTEN
t
CYC2
t
CH2
t
CL2
4832 drw 11
t
SA
t
HA
t
SAD
t
HAD
t
CD2
t
DC
READ
EXTERNAL
ADDRESS
READ WITH COUNTER
COUNTER
HOLD
t
SAD
t
HAD
t
SCN
t
HCN
READ
WITH
COUNTER
Qn + 1
R/
W
ADDRESS
An
An +1
An + 2
An + 3
An + 4
An + 5
DATA
IN
Dn + 3
Dn + 2
CE
0
CLK
4832 drw 10
DATA
OUT
Qn
Qn + 4
CE
1
UB
,
LB
OE
t
CH2
t
CL2
t
CYC2
t
CKLZ
t
CD2
t
OHZ
t
CD2
t
SD
t
HD
READ
WRITE
READ
t
SC
t
HC
t
SB
t
HB
t
SW
t
HW
t
SA
t
HA
(3)
(1)
t
SW
t
HW
(4)
&,8**5'***8
#
NOTES:
1.
CE
0
,
OE
,
UB
,
LB
= V
IL
; CE
1
, R/
W
, and
CNTRST
= V
IH
.
2. If there is no address change via
ADS
= V
IL
(loading a new address) or
CNTEN
= V
IL
(advancing the address), i.e.
ADS
= V
IH
and
CNTEN
= V
IH
, then
the data output remains constant for subsequent clocks.
&,8 **AA,AA*
OE
*#
#
NOTES:
1. Output state (High, Low, or High-impedance) is determned by the previous cycle control signals.
2.
CE
0
,
UB
,
LB
, and
ADS
= V
IL
; CE
1
,
CNTEN
, and
CNTRST
= V
IH
.
3. Addresses do not have to be accessed sequentially since
ADS
= V
IL
constantly loads the address on the rising edge of the CLK; numbers are for reference use
only.
4. This timng does not meet requirements for fastest speed grade. This waveformindicates how logically it could be done if timng so allows.
相關(guān)PDF資料
PDF描述
IDT70V3389S6PRFI HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
IDT70V3389S HIGH-SPEED 3.3V 64K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM WITH 3.3V OR 2.5V INTERFACE
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
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