参数资料
型号: IDT72V2105L15PF
厂商: IDT, Integrated Device Technology Inc
文件页数: 12/26页
文件大小: 0K
描述: IC FIFO SUPERSYNCII 15NS 64-TQFP
标准包装: 45
系列: 72V
功能: 同步
存储容量: 4.7Mb(262k x 18)
访问时间: 15ns
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-TQFP(14x14)
包装: 托盘
其它名称: 72V2105L15PF
2
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
IDT72V295/72V2105 3.3V HIGH DENSITY CMOS
SUPERSYNC FIFOTM 131,072 x 18, 262,144 x 18
PIN CONFIGURATIONS
TQFP (PN64-1, order code: PF)
TOP VIEW
DESCRIPTION (CONTINUED)
thus it is no longer necessary to select which of the two clock inputs,
RCLK or WCLK, is running at the higher frequency.
The period required by the retransmit operation is now fixed and short.
The first word data latency period, from the time the first word is written
to an empty FIFO to the time it can be read, is now fixed and short. (The
variable clock cycle counting delay associated with the latency period
found on previous SuperSync devices has been eliminated on this
SuperSync family.)
SuperSync FIFOs are particularly appropriate for network, video, telecom-
munications, data communications and other applications that need to
buffer large amounts of data.
The input port is controlled by a Write Clock (WCLK) input and a Write
Enable (
WEN) input. Data is written into the FIFO on every rising edge of
WCLK when
WENis asserted. The output port is controlled by a Read Clock
(RCLK) input and Read Enable (
REN) input. Data is read from the FIFO on
every rising edge of RCLK when
REN is asserted. An Output Enable (OE)
input is provided for three-state control of the outputs.
The frequencies of both the RCLK and the WCLK signals may vary from
0 to fMAX with complete independence. There are no restrictions on the
frequency of the one clock input with respect to the other.
There are two possible timing modes of operation with these devices:
IDT Standard mode and First Word Fall Through (FWFT) mode.
NOTE:
1. DC = Don’t Care. Must be tied to GND or VCC, cannot be left open.
PIN 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
WEN
SEN
DC(1)
VCC
GND
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Q17
Q16
GND
Q15
Q14
VCC
Q13
Q12
Q11
GND
Q10
Q9
Q8
Q7
Q6
GND
WCLK
PRS
MRS
LD
FWFT/SI
GND
FF
/IR
PAF
HF
V
CC
PAE
EF
/OR
RCLK
REN
RT
OE
Q5
Q4
V
CC
Q3
Q2
GND
Q1
Q0
GND
D0
D1
D2
D3
D4
D5
D6
4668 drw 02
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IDT72V2105L15PFGI8 功能描述:IC FIFO SUPERSYNCII 15NS 64-TQFP RoHS:是 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:15 系列:74F 功能:异步 存储容量:256(64 x 4) 数据速率:- 访问时间:- 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:24-DIP(0.300",7.62mm) 供应商设备封装:24-PDIP 包装:管件 其它名称:74F433
IDT72V2105L15PFI 功能描述:IC FIFO SUPERSYNCII 15NS 64-TQFP RoHS:否 类别:集成电路 (IC) >> 逻辑 - FIFO 系列:72V 标准包装:15 系列:74F 功能:异步 存储容量:256(64 x 4) 数据速率:- 访问时间:- 电源电压:4.5 V ~ 5.5 V 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:24-DIP(0.300",7.62mm) 供应商设备封装:24-PDIP 包装:管件 其它名称:74F433
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