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74ACT245MTCX

Microprocessors - MPU 66MHz 63MIPS

器件类别：逻辑    逻辑   

厂商名称：Fairchild

厂商官网：http://www.fairchildsemi.com/

器件标准：

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器件参数
参数名称
属性值
Brand Name
Fairchild Semiconductor
是否无铅
不含铅
是否Rohs认证
符合
厂商名称
Fairchild
零件包装代码
TSSOP
包装说明
TSSOP, TSSOP20,.25
针数
20
制造商包装代码
20LD, TSSOP, JEDEC MO-153, 4.4MM WIDE
Reach Compliance Code
compliant
ECCN代码
EAR99
其他特性
WITH DIRECTION CONTROL
控制类型
COMMON CONTROL
计数方向
BIDIRECTIONAL
系列
ACT
JESD-30 代码
R-PDSO-G20
JESD-609代码
e4
长度
6.5 mm
逻辑集成电路类型
BUS TRANSCEIVER
最大I（ol）
0.024 A
湿度敏感等级
1
位数
8
功能数量
1
端口数量
2
端子数量
20
最高工作温度
85 °C
最低工作温度
-40 °C
输出特性
3-STATE
输出极性
TRUE
封装主体材料
PLASTIC/EPOXY
封装代码
TSSOP
封装等效代码
TSSOP20,.25
封装形状
RECTANGULAR
封装形式
SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法
TAPE AND REEL
峰值回流温度（摄氏度）
NOT SPECIFIED
电源
5 V
Prop。Delay @ Nom-Sup
9 ns
传播延迟（tpd）
9 ns
认证状态
Not Qualified
座面最大高度
1.2 mm
最大供电电压 (Vsup)
5.5 V
最小供电电压 (Vsup)
4.5 V
标称供电电压 (Vsup)
5 V
表面贴装
YES
技术
CMOS
温度等级
INDUSTRIAL
端子面层
Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式
GULL WING
端子节距
0.65 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
NOT SPECIFIED
翻译
N/A
宽度
4.4 mm
Base Number Matches
1
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74AC245, 74ACT245 — Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
January 2008
74AC245, 74ACT245
Octal Bidirectional Transceiver with 3-STATE
Inputs/Outputs
Features
■
I
CC
and I
OZ
reduced by 50%
■
Non-inverting buffers
■
Bidirectional data path
■
A and B outputs source/sink 24mA
■
ACT245 has TTL-compatible inputs
General Description
The AC/ACT245 contains eight non-inverting bidirec-
tional buffers with 3-STATE outputs and is intended for
bus-oriented applications. Current sinking capability is
24mA at both the A and B ports. The Transmit/Receive
(T/R) input determines the direction of data flow through
the bidirectional transceiver. Transmit (active-HIGH)
enables data from A ports to B ports; Receive (active-
LOW) enables data from B ports to A ports. The Output
Enable input, when HIGH, disables both A and B ports
by placing them in a HIGH Z condition.
Ordering Information
Order Number
74AC245SC
74AC245SJ
74AC245MTC
74AC245PC
74ACT245SC
74ACT245SJ
74ACT245MSA
74ACT245MTC
74ACT245PC
Package
Number
M20B
M20D
MTC20
N20A
M20B
M20D
MSA20
MTC20
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
All packages are lead free per JEDEC: J-STD-020B standard.
©1988 Fairchild Semiconductor Corporation
74AC245, 74ACT245 Rev. 1.5.0
www.fairchildsemi.com
74AC245, 74ACT245 — Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
Connection Diagram
Logic Symbol
IEEE/IEC
Pin Description
Pin
Names
OE
T/R
A
0
–A
7
B
0
–B
7
Description
Output Enable Input
Transmit/Receive Input
Side A 3-STATE Inputs or 3-STATE
Outputs
Side B 3-STATE Inputs or 3-STATE
Outputs
Truth Table
Inputs
OE
L
L
H
T/R
L
H
X
Outputs
Bus B Data to Bus A
Bus A Data to Bus B
HIGH-Z State
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
©1988 Fairchild Semiconductor Corporation
74AC245, 74ACT245 Rev. 1.5.0
www.fairchildsemi.com
2
74AC245, 74ACT245 — Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
V
CC
I
IK
Supply Voltage
DC Input Diode Current
V
I
= −
0.5V
V
I
=
V
CC
+
0.5
V
I
I
OK
DC Input Voltage
DC Output Diode Current
V
O
= −
0.5V
V
O
=
V
CC
+
0.5V
V
O
I
O
DC Output Voltage
Parameter
Rating
−
0.5V to
+
7.0V
−
20mA
+
20mA
−
0.5V to V
CC
+
0.5V
−
20mA
+
20mA
−
0.5V to V
CC
+
0.5V
±
50mA
±
50mA
−
65
°
C to
+
150
°
C
140
°
C
DC Output Source or Sink Current
I
CC
or I
GND
DC V
CC
or Ground Current per Output Pin
T
STG
Storage Temperature
T
J
Junction Temperature
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol
V
CC
Supply Voltage
AC
ACT
V
I
V
O
T
A
∆
V /
∆
t
∆
V /
∆
t
Input Voltage
Output Voltage
Operating Temperature
Parameter
Rating
2.0V to 6.0V
4.5V to 5.5V
0V to V
CC
0V to V
CC
−
40
°
C to
+
85
°
C
125mV/ns
125mV/ns
Minimum Input Edge Rate, AC Devices:
V
IN
from 30% to 70% of V
CC
, V
CC
@ 3.3V, 4.5V, 5.5V
Minimum Input Edge Rate, ACT Devices:
V
IN
from 0.8V to 2.0V, V
CC
@ 4.5V, 5.5V
©1988 Fairchild Semiconductor Corporation
74AC245, 74ACT245 Rev. 1.5.0
www.fairchildsemi.com
3
74AC245, 74ACT245 — Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
DC Electrical Characteristics for AC
T
A
= +
25
°
C
Symbol
V
IH
T
A
= −
40
°
C to
+
85
°
C
Units
V
2.1
3.15
3.85
0.9
1.35
1.65
2.9
4.4
5.4
2.46
3.76
4.76
0.1
0.1
0.1
0.44
0.44
0.44
±1.0
75
−75
µA
mA
mA
µA
µA
V
V
V
Parameter
Minimum HIGH Level
Input Voltage
V
CC
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
Conditions
V
OUT
=
0.1V or
V
CC
– 0.1V
V
OUT
=
0.1V or
V
CC
– 0.1V
I
OUT
=
–50µA
Typ.
1.5
2.25
2.75
1.5
2.25
2.75
2.99
4.49
5.49
2.1
Guaranteed Limits
3.15
3.85
0.9
1.35
1.65
2.9
4.4
5.4
2.56
3.86
4.86
V
IL
Maximum LOW Level
Input Voltage
V
OH
Minimum HIGH Level
Output Voltage
V
IN
=
V
IL
or V
IH
,
I
OH
=
–12mA
V
IN
=
V
IL
or V
IH
,
I
OH
=
–24mA
V
IN
=
V
IL
or V
IH
,
I
OH
=
–24mA
(1)
0.002
0.001
0.001
V
IN
=
V
IL
or V
IH
,
I
OL
=
12mA
V
IN
=
V
IL
or V
IH
,
I
OL
=
24mA
V
IN
=
V
IL
or V
IH
,
I
OL
=
24mA
(1)
V
I
=
V
CC
, GND
V
OLD
=
1.65V Max.
V
OHD
=
3.85V Min.
V
IN
=
V
CC
or GND
V
I
(OE)
=
V
IL
, V
IH
;
V
I
=
V
CC
, GND;
V
O
=
V
CC
, GND
I
OUT
=
50µA
V
OL
Maximum LOW Level
Output Voltage
3.0
4.5
5.5
3.0
4.5
5.5
0.1
0.1
0.1
0.36
0.36
0.36
±0.1
I
IN(2)
I
OLD
I
OHD
I
CC(2)
I
OZT
Maximum Input
Leakage Current
Minimum Dynamic
Output Current
(3)
Maximum Quiescent
Supply Current
Maximum I/O
Leakage Current
5.5
5.5
5.5
5.5
5.5
4.0
±0.3
40.0
±3.0
Notes:
1. All outputs loaded; thresholds on input associated with output under test.
2. I
IN
and I
CC
@ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V V
CC
.
3. Maximum test duration 2.0ms, one output loaded at a time.
©1988 Fairchild Semiconductor Corporation
74AC245, 74ACT245 Rev. 1.5.0
www.fairchildsemi.com
4
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参数对比
与74ACT245MTCX相近的元器件有：74ACT245MSAX、74ACT245SJX、74ACT245SC、74ACT245MSA。描述及对比如下：
型号 74ACT245MTCX 74ACT245MSAX 74ACT245SJX 74ACT245SC 74ACT245MSA
描述 Microprocessors - MPU 66MHz 63MIPS Bus Transceivers Octal Bidir Trans Power Switch ICs - Power Distribution Smart High Side PROFET Quad USB Interface IC USB to Serial UART Enhanced IC QFN-32 Bus Transceivers Octal Bidir Trans
Brand Name Fairchild Semiconductor Fairchild Semiconductor Fairchild Semiconductor Fairchild Semiconductor Fairchild Semiconductor
是否无铅 不含铅 不含铅 不含铅 不含铅 不含铅
是否Rohs认证 符合 符合 符合 符合 符合
零件包装代码 TSSOP SSOP SOP SOIC SSOP
包装说明 TSSOP, TSSOP20,.25 SSOP, SSOP20,.3 SOP, SOP20,.3 SOP, SOP20,.4 SSOP, SSOP20,.3
针数 20 20 20 20 20
制造商包装代码 20LD, TSSOP, JEDEC MO-153, 4.4MM WIDE 20LD, SSOP, JEDEC MO-150, 5.3MM WIDE 20LD,SOP,EIAJ TYPE II, 5.3MM WIDE 20LD, SOIC, JEDEC MS013, .300", WIDE BODY 20LD, SSOP, JEDEC MO-150, 5.3MM WIDE
Reach Compliance Code compliant compliant compliant compliant compliant
ECCN代码 EAR99 EAR99 EAR99 EAR99 EAR99
其他特性 WITH DIRECTION CONTROL WITH DIRECTION CONTROL WITH DIRECTION CONTROL WITH DIRECTION CONTROL WITH DIRECTION CONTROL
控制类型 COMMON CONTROL COMMON CONTROL COMMON CONTROL COMMON CONTROL COMMON CONTROL
计数方向 BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL BIDIRECTIONAL
系列 ACT ACT ACT ACT ACT
JESD-30 代码 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20
JESD-609代码 e4 e3 e3 e3 e3
长度 6.5 mm 7.2 mm 12.6 mm 12.8 mm 7.2 mm
逻辑集成电路类型 BUS TRANSCEIVER BUS TRANSCEIVER BUS TRANSCEIVER BUS TRANSCEIVER BUS TRANSCEIVER
最大I（ol） 0.024 A 0.024 A 0.024 A 0.024 A 0.024 A
湿度敏感等级 1 1 1 1 1
位数 8 8 8 8 8
功能数量 1 1 1 1 1
端口数量 2 2 2 2 2
端子数量 20 20 20 20 20
最高工作温度 85 °C 85 °C 85 °C 85 °C 85 °C
最低工作温度 -40 °C -40 °C -40 °C -40 °C -40 °C
输出特性 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE
输出极性 TRUE TRUE TRUE TRUE TRUE
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 TSSOP SSOP SOP SOP SSOP
封装等效代码 TSSOP20,.25 SSOP20,.3 SOP20,.3 SOP20,.4 SSOP20,.3
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度） NOT SPECIFIED 260 260 NOT SPECIFIED 260
电源 5 V 5 V 5 V 5 V 5 V
Prop。Delay @ Nom-Sup 9 ns 9 ns 9 ns 9 ns 9 ns
传播延迟（tpd） 9 ns 9 ns 9 ns 9 ns 9 ns
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 1.2 mm 2 mm 2.1 mm 2.642 mm 2 mm
最大供电电压 (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
最小供电电压 (Vsup) 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V
标称供电电压 (Vsup) 5 V 5 V 5 V 5 V 5 V
表面贴装 YES YES YES YES YES
技术 CMOS CMOS CMOS CMOS CMOS
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
端子面层 Nickel/Palladium/Gold (Ni/Pd/Au) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
端子形式 GULL WING GULL WING GULL WING GULL WING GULL WING
端子节距 0.65 mm 0.65 mm 1.27 mm 1.27 mm 0.65 mm
端子位置 DUAL DUAL DUAL DUAL DUAL
处于峰值回流温度下的最长时间 NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
翻译 N/A N/A N/A N/A N/A
宽度 4.4 mm 5.3 mm 5.3 mm 7.5 mm 5.3 mm
Base Number Matches 1 1 1 1 1
厂商名称 Fairchild Fairchild Fairchild - Fairchild
包装方法 TAPE AND REEL TAPE AND REEL TAPE AND REEL - -
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