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參數資料
| 型號： | CY74FCT162245TSSP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-bIT TRANSCEI |
| 中文描述： | 16位TRANSCEI |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 70K |
| 代理商： | CY74FCT162245TSSP |
16-Bit Transceivers
CY74FCT16245T
CY74FCT162245T
CY74FCT162H245T
SCCS026 - July 1994 - Revised March 2000
Data sheet acquired from Cypress Semiconductor Corporation.
Data sheet modified to remove devices not offered.
Copyright
2000, Texas Instruments Incorporated
1CY74FCT16445T/2
H245T
Features
FCT-E speed at 3.2 ns
Power-off disable outputs permits live insertion
Edge-rate control circuitry for significantly improved
noise characteristics
Typical output skew < 250 ps
ESD > 2000V
TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)
packages
Industrial temperature range of –40C to +85C
V
CC
= 5V
±
10%
CY74FCT16245T Features:
64 mA sink current, 32 mA source current
Typical V
OLP
(ground bounce)<1.0V at V
CC
= 5V,
T
A
= 25C
CY74FCT162245T Features:
Balanced output drivers: 24 mA
Reduced system switching noise
Typical V
OLP
(ground bounce) <0.6V at V
CC
= 5V,
T
A
= 25C
CY74FCT162H245T Features:
Bus hold on data inputs
Eliminates the need for external pull-up or pull-down
resistors
Functional Description
These 16-bit transceivers are designed for use in bidirectional
synchronous communication between two buses, where high
speed and low power are required. With the exception of the
CY74FCT16245T, these devices can be operated either as
two independent octals or a single 16-bit transceiver. Direction
of data flow is controlled by (DIR), the Output Enable (OE)
transfers data when LOW and isolates the buses when HIGH.
The output buffers are designed with power off disable capa-
bility to allow for live insertion of boards.
The
CY74FCT16245T
is
high-capacitance loads and low-impedance backplanes.
The CY74FCT162245T has 24-mA balanced output drivers
with current limiting resistors in the outputs. This reduces the
need for external terminating resistors and provides for mini-
mal
undershoot
and
reduced
CY74FCT162245T is ideal for driving transmission lines.
The CY74FCT162H245T is a 24-mA balanced output part that
has bus hold on the data inputs. The device retains the input’s
last state whenever the input goes to high impedance. This
eliminates the need for pull-up/down resistors and prevents
floating inputs.
ideally
suited
for
driving
ground
bounce.
The
GND
1
A
3
1
A
4
V
CC
LogicBlockDiagrams CY74FCT16245T,CY74FCT162245T,
CY74FCT162H245T
Pin Configuration
SSOP/TSSOP
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
33
32
31
30
29
28
25
26
27
36
35
34
1
DIR
1
B
1
1
B
2
GND
45
44
43
42
41
40
37
38
39
48
47
46
1
B
3
1
B
4
V
CC
1
B
5
1
B
6
GND
1
A
1
1
A
2
1
OE
GND
1
A
7
1
A
8
2
A
1
2
A
2
1
B
7
1
B
8
2
B
1
2
B
2
GND
1
A
5
1
A
6
GND
2
A
3
2
A
4
V
CC
2
B
3
2
B
4
V
CC
2
B
5
2
B
6
GND
GND
2
A
7
2
A
8
2
OE
2
B
7
2
B
8
2
DIR
2
A
5
2
A
6
FCT16245–1
1
A
1
1
A
2
1
A
3
1
A
4
1
A
5
1
A
6
1
A
7
1
OE
1
B
1
1
B
2
1
B
3
1
B
4
1
B
5
1
B
6
1
B
7
1
DIR
1
A
8
1
B
8
FCT16245–2
2
A
1
2
A
2
2
A
3
2
A
4
2
A
5
2
A
6
2
A
7
2
OE
2
B
1
2
B
2
2
B
3
2
B
4
2
B
5
2
B
6
2
B
7
2
DIR
2
A
8
2
B
8
FCT16245–3
16245T
162245T
162H245T
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CY74FCT162245TTSSOP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:16-bIT TRANSCEI |
| CY74FCT162373ATPAC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY74FCT162373ATPVC | 功能描述:閉鎖 16B Transp D-Type 閉鎖 RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| CY74FCT162373CTPVC | 功能描述:閉鎖 16B Transp D-Type 閉鎖 RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| CY74FCT162373ETPVC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
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