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| 型號(hào)： | SN74ACT1284DB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Low-Voltage CMOS 16-Bit Transceiver; Package: TSSOP-48 12.5x6.1x1.1 mm; No of Pins: 48; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | 7位總線接口與三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 93K |
| 代理商： | SN74ACT1284DB |
SN54ACT1284, SN74ACT1284
7-BIT BUS INTERFACES
WITH 3-STATE OUTPUTS
SCAS459B – NOVEMBER 1994 – REVISED APRIL 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54ACT1284
MIN
SN74ACT1284
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
Supply voltage
4.7
5.5
4.7
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
VCC
5.5
0
VCC
5.5
V
Open drain output voltage
HD low
0
0
V
IOH
High level output current
High-level output current
B port, HD high
–14
–14
mA
A port
–4
–4
IOL
Low level output current
Low-level output current
B port
14
14
mA
A port
4
4
TA
Operating free-air temperature
–55
125
0
70
°
C
electrical characteristics over recommended ranges of operating free-air temperature and supply
voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
SN54ACT1284
MIN
0.4
SN74ACT1284
MIN
0.4
UNIT
TYP
MAX
TYP
MAX
Vhys
Input
hysteresis
VIT+ – VIT– for all inputs
VIT for all inputs
5 V
V
4.7 V
0.2
0.2
B port
IOH = –14 mA
4.7 V
2.4
2.4
VOH
A port
IOH = –50
μ
A
MIN
to MAX
VCC–0.2
VCC–0.2
V
IOH = –4 mA
IOL =14 mA
IOL = 50
μ
A
IOL = 4 mA
VI = VCC or GND
VO = VCC or GND
VI or VO
≤
7 V
VI = VCC or GND,
VI = VCC or GND
VO = VCC or GND
IOH = –20 mA,
4.7 V
3.7
3.7
B port
4.7 V
0.4
0.4
VOL
A port
4 7 V
4.7 V
0.2
0.2
V
0.4
±
1
±
20
±
100
1.5
0.4
±
1
±
20
±
100
1.5
II
IOZ
IOFF
ICC
Ci
Cio
ZO
For I/O ports, the parameter IOZ includes the input leakage current II.
For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions.
5.5 V
μ
A
μ
A
μ
A
mA
A or B ports
5.5 V
B port
0 V
IO = 0
5.5 V
Control inputs
5 V
4
4
pF
A or B ports
5 V
12
12
pF
B port
IOH = –50 mA
5 V
8
30
8
30
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
SN54ACT1284
MIN
1
SN74ACT1284
MIN
1
UNIT
(OUTPUT)
MAX
MAX
tPLH
tPHL
SR
Totem pole
A or B
B or A
20
20
ns
1
20
1
20
Totem pole
B output
0.05
0.4
0.05
0.4
V/ns
tpd(EN)
tpd(DIS)
tr, tf
Totem pole
HD
B
1
20
1
20
ns
1
20
1
20
Open drain
A
B
120
120
ns
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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| SN74ACT1284DBRE4 | 功能描述:接口 - 專用 7-Bit Bus Interfaces With 3-State Outputs RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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| SN74ACT1284DW | 功能描述:接口 - 專用 Tri-State 7-Bit RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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