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參數(shù)資料
| 型號(hào)： | IDT72615L50J |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | DRAM |
| 英文描述： | CMOS SyncBiFIFOO 256 x 18 x 2 and 512 x 18 x 2 |
| 中文描述： | 512 X 18 BI-DIRECTIONAL FIFO, 25 ns, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 209K |
| 代理商： | IDT72615L50J |
Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGES
DECEMBER 1996
1996 Integrated Device Technology, Inc.
DSC-2704/5
SyncBiFIFO is a trademark and the IDT logo is a registered trademark of Integrated Device Technology, Inc.
IDT72605
IDT72615
CMOS SyncBiFIFO
256 x 18 x 2 and 512 x 18 x 2
FEATURES:
Two independent FIFO memories for fully bidirectional
data transfers
256 x 18 x 2 organization (IDT 72605)
512 x 18 x 2 organization (IDT 72615)
Synchronous interface for fast (20ns) read and write
cycle times
Each data port has an independent clock and read/write
control
Output enable is provided on each port as a three-state
control of the data bus
Built-in bypass path for direct data transfer between two
ports
Two fixed flags, Empty and Full, for both the A-to-B and
the B-to-A FIFO
Programmable flag offset can be set to any depth in the
FIFO
The synchronous BiFIFO is packaged in a 64-pin TQFP
(Thin Quad Flatpack), 68-pin PGA and 68-pin PLCC
Industrial temperature range (-40oC to +85oC) is avail-
able, tested to military electrical specifications
DESCRIPTION:
The IDT72605 and IDT72615 are very high-speed, low-
power bidirectional First-In, First-Out (FIFO) memories, with
synchronous interface for fast read and write cycle times. The
SyncBiFIFO
is a data buffer that can store or retrieve
information from two sources simultaneously. Two Dual-Port
FIFO memory arrays are contained in the SyncBiFIFO; one
data buffer for each direction.
The SyncBiFIFO has registers on all inputs and outputs.
Data is only transferred into the I/O registers on clock edges,
hence the interfaces are synchronous. Each Port has its own
independent clock. Data transfers to the I/O registers are
gated by the enable signals. The transfer direction for each
port is controlled independently by a read/write signal. Individ-
ual output enable signals control whether the SyncBiFIFO is
driving the data lines of a port or whether those data lines are
in a high-impedance state.
Bypass control allows data to be directly transferred from
input to output register in either direction.
The SyncBiFIFO has eight flags. The flag pins are full,
empty, almost-full, and almost-empty for both FIFO memo-
ries. The offset depths of the almost-full and almost-empty
flags can be programmed to any location.
The SyncBiFIFO is fabricated using IDT’s high-speed,
submicron CMOS technology.
CLK
A
FLAG
LOGIC
MEMORY
ARRAY
512 x 18
256 x 18
INPUT REGISTER
MUX
OUTPUT REGISTER
HIGH
Z
CONTROL
OUTPUT REGISTER
INPUT REGISTER
CLK
B
MUX
MEMORY
ARRAY
512 x 18
256 x 18
HIGH
Z
CONTROL
FLAG
LOGIC
RESET
LOGIC
POWER
SUPPLY
R/
W
A
OE
A
CS
A
A
2
A
1
A
0
EF
AB
PAE
AB
PAF
AB
FF
AB
OE
B
R/
W
B
EN
B
EN
A
RS
EF
BA
PAE
BA
PAF
BA
FF
BA
V
CC
GND
3
BYP
B
μ
P
INTERFACE
7
D
B0
-D
B17
D
A0
-D
A17
2704 drw 01
FUNCTIONAL BLOCK DIAGRAM
For latest information contact IDT's web site at www.idt.com or fax-on-demand at 408-492-8391.
5.18
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| IDT72605L50PF | CMOS SyncBiFIFOO 256 x 18 x 2 and 512 x 18 x 2 |
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| IDT72811 | DUAL CMOS SyncFIFO |
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| IDT72615L50J8 | 功能描述:IC FIFO BY SYNC 512X18X2 68PLCC RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤 其它名稱:72271LA10PF |
| IDT72615L50PF | 功能描述:IC FIFO BY SYNC 512X18X2 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤 其它名稱:72271LA10PF |
| IDT72615L50PF8 | 功能描述:IC FIFO BY SYNC 512X18X2 64QFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤 其它名稱:72271LA10PF |
| IDT72801L10PF | 功能描述:IC FIFO SYNC DUAL 256X9 64-TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:90 系列:7200 功能:同步 存儲(chǔ)容量:288K（16K x 18） 數(shù)據(jù)速率:100MHz 訪問時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（14x14） 包裝:托盤 其它名稱:72271LA10PF |
| IDT72801L10PF8 | 功能描述:IC FIFO SYNC DUAL 256X9 64-TQFP RoHS:否 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:7200 標(biāo)準(zhǔn)包裝:80 系列:7200 功能:同步 存儲(chǔ)容量:18.4K（1K x 18） 數(shù)據(jù)速率:- 訪問時(shí)間:10ns 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商設(shè)備封裝:64-TQFP（10x10） 包裝:托盤 其它名稱:72225LB10TF |
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