參數(shù)資料
型號(hào): IDT72261L15TFB
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: CMOS SUPERSYNC FIFOO 16,384 x 9, 32,768 x 9
中文描述: 16K X 9 OTHER FIFO, PQFP64
封裝: STQFP-64
文件頁數(shù): 3/30頁
文件大?。?/td> 388K
代理商: IDT72261L15TFB
3
IDT72261/72271 SyncFIFO
16,384 x 9, 32,768 x 9
MILITARY AND COMMERCIAL TEMPERATURE RANGES
The Retransmit function allows the read pointer to be reset
to the first location in the RAM array. It is synchronized to
RCLK when
RT
is LOW. This feature is convenient for
sending the same data more than once.
If, at any time, the FIFO is not actively performing a function,
the chip will automatically power down. This occurs if neither
a read nor a write occurs within 10 cycles of the faster clock,
RCLK or WCLK. During the Power Down state, supply current
consumption (I
CC2
) is at a minimum. Initiating any operation
(by activating control inputs) will immediately take the device
out of the Power Down state.
The IDT72261/72271 are depth expandable. The addition
of external components is unnecessary. The
IR
and
OR
functions, together with
REN
and
WEN
, are used to extend the
total FIFO memory capacity.
The FS line ensures optimal data flow through the FIFO. It
is tied to GND if the RCLK frequency is higher than the WCLK
frequency or to Vcc if the RCLK frequency is lower than the
WCLK frequency
The IDT72261/72271 is fabricated using IDT’s high speed
submicron CMOS technology.
NOTES
:
1. DNC = Do not connect.
2. This pin may either be tied to ground or left open.
PGA (G68-1, order code: G)
TOP VIEW
PIN CONFIGURATIONS (CONT.)
D
8
Pin 1 Designator
A
B
C
D
E
F
G
H
J
K
L
Q
0
D
2
PAF
DNC
RCLK
REN
OE
V
CC
DNC
MRS
LD
WCLK
PRS
V
CC
WEN
V
CC
D
7
D
6
PAE
D
4
D
3
D
1
D
0
Q
1
Q
2
Q
3
Q
4
Q
8
Q
7
DNC
DNC
V
CC
DNC DNC
DNC
DNC
DNC DNC
DNC
HF
EF
/
OR
FF
/
IR
11
10
09
08
07
06
05
04
03
02
01
RT
FWFT/
SI
D
5
V
CC
DNC
Q
6
Q
5
3036 drw 03
SEN
FS
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
相關(guān)PDF資料
PDF描述
IDT72261L20G CMOS SUPERSYNC FIFOO 16,384 x 9, 32,768 x 9
IDT72261L20GB CMOS SUPERSYNC FIFOO 16,384 x 9, 32,768 x 9
IDT72261L20PF CMOS SUPERSYNC FIFOO 16,384 x 9, 32,768 x 9
IDT72261L20PFB CMOS SUPERSYNC FIFOO 16,384 x 9, 32,768 x 9
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