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74F244PC

Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, PDIP20, 0.300 INCH, PLASTIC DIP-20

器件类别：逻辑    逻辑   

厂商名称：Rochester Electronics

厂商官网：https://www.rocelec.com/

器件标准：

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器件参数
参数名称
属性值
是否无铅
不含铅
是否Rohs认证
符合
厂商名称
Rochester Electronics
零件包装代码
DIP
包装说明
DIP,
针数
20
Reach Compliance Code
unknow
系列
F/FAST
JESD-30 代码
R-PDIP-T20
JESD-609代码
e3
长度
26.07 mm
逻辑集成电路类型
BUS DRIVER
位数
4
功能数量
2
端口数量
2
端子数量
20
最高工作温度
70 °C
最低工作温度
输出特性
3-STATE
输出极性
TRUE
封装主体材料
PLASTIC/EPOXY
封装代码
DIP
封装形状
RECTANGULAR
封装形式
IN-LINE
峰值回流温度（摄氏度）
NOT APPLICABLE
传播延迟（tpd）
6.5 ns
座面最大高度
5.08 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
NO
技术
TTL
温度等级
COMMERCIAL
端子面层
Matte Tin (Sn)
端子形式
THROUGH-HOLE
端子节距
2.54 mm
端子位置
DUAL
处于峰值回流温度下的最长时间
NOT APPLICABLE
宽度
7.62 mm
Base Number Matches
1
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54F 74F240

54F 74F241

54F 74F244
Octal Buffers Line Drivers with TRI-STATE Outputs
May 1995
54F 74F240

54F 74F241

54F 74F244
Octal Buffers Line Drivers with TRI-STATE Outputs
General Description
The ’F240 ’F241 and ’F244 are octal buffers and line driv-
ers designed to be employed as memory and address driv-
ers clock drivers and bus-oriented transmitters receivers
which provide improved PC and board density
Features
Y
Y
Y
Y
Y
TRI-STATE outputs drive bus lines or buffer memory
address registers
Outputs sink 64 mA (48 mA mil)
12 mA source current
Input clamp diodes limit high-speed termination effects
Guaranteed 4000V minimum ESD protection
Commercial
74F240PC
Military
Package
Number
N20A
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Ceramic Dual-In-Line
54F240DM (Note 2)
74F240SC (Note 1)
74F240SJ (Note 1)
54F240FM (Note 2)
54F240LM (Note 2)
74F241PC
54F241DM (Note 2)
J20A
M20B
M20D
W20A
E20A
N20A
J20A
74F241SC (Note 1)
74F241SJ (Note 1)
74F244PC
74F244SC (Note 1)
74F244SJ (Note 1)
74F244MSA (Note 1)
O
C
1995 National Semiconductor Corporation
TL F 9501
Note 1
Devices also available in 13 reel Use Suffix
e
SCX SJX and MSAX
Note 2
Military grade device with environmental and burn-in processing Use suffix
e
DMQB FMQB and LMQB
TRI-STATE is a registered trademark of National Semiconductor Corporation
bs
ol
20-Lead Ceramic Dual-In-Line
M20B
M20D
54F241FM (Note 2)
54F241LM (Note 2)
W20A
20-Lead Cerpack
E20A
N20A
J20A
54F244DM (Note 2)
20-Lead Ceramic Dual-In-Line
M20B
M20D
MSA20
54F244FM (Note 2)
54F244LM (Note 2)
W20A
20-Lead Cerpack
E20A
et
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier Type C
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Ceramic Leadless Chip Carrier Type C
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead Molded Shrink Small Outline EIAJ Type II
20-Lead Ceramic Leadless Chip Carrier Type C
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
e
Package Description
RRD-B30M75 Printed in U S A
Connection Diagrams
Pin Assignment for LCC
’F240
’F241
’F244
TL F 9501 – 6
TL F 9501– 2
TL F 9501 – 4
Pin Assignment for DIP SOIC SSOP and Flatpak
TL F 9501– 1
IEEE IEC
’F240
O
TL F 9501– 7
bs
ol
IEEE IEC
’F241
TL F 9501 – 8
Logic Symbols
et
TL F 9501 – 3
2
e
TL F 9501 – 5
IEEE IEC
’F244
TL F 9501 – 9
Unit Loading Fan Out
54F 74F
Pin Names
Description
UL
HIGH LOW
1 0 1 667
1 0 1 667
1 0 1 667
1 0 2 667
600 106 6 (80)
Input I
IH
I
IL
Output I
OH
I
OL
20
mA
b
1 mA
20
mA
b
1 mA
20
mA
b
1 mA
20
mA
b
1 6 mA
b
12 mA 64 mA (48 mA)
OE
1
OE
2
OE
2
I
0
–I
7
I
0
–I
7
O
0
–O
7
O
0
– O
7
TRI-STATE Output Enable Input (Active LOW)
TRI-STATE Output Enable Input (Active HIGH)
Inputs (’F240)
Inputs (’F241 ’F244)
Outputs
Worst-case ’F240 enabled ’F241 ’F244 disabled
Truth Tables
’F240
OE
1
H
L
L
D
1n
X
H
L
O
1n
Z
L
H
’F241
OE
1
H
L
L
D
1n
X
H
L
O
1n
Z
H
L
OE
2
L
H
H
D
2n
X
H
L
O
2n
Z
H
L
OE
2
H
L
L
D
2n
X
H
L
O
2n
Z
L
H
OE
1
H
L
L
D
1n
X
H
L
O
1n
Z
H
L
’F244
OE
2
H
L
L
D
2n
X
H
L
O
2n
Z
H
L
H
e
HIGH Voltage Level
L
e
LOW Voltage Level
X
e
Immaterial
Z
e
High Impedance
O
3
bs
ol
et
e
Absolute Maximum Ratings
(Note 1)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
b
65 C to
a
150 C
Storage Temperature
Ambient Temperature under Bias
Junction Temperature under Bias
Plastic
V
CC
Pin Potential to
Ground Pin
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
in HIGH State (with V
CC
e
0V)
Standard Output
TRI-STATE Output
Current Applied to Output
in LOW State (Max)
ESD Last Passing Voltage (Min)
b
55 C to
a
125 C
b
55 C to
a
175 C
b
55 C to
a
150 C
b
0 5V to
a
7 0V
b
0 5V to
a
7 0V
b
30 mA to
a
5 0 mA
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
Supply Voltage
Military
Commercial
b
55 C to
a
125 C
0 C to
a
70 C
a
4 5V to
a
5 5V
a
4 5V to
a
5 5V
b
0 5V to V
CC
b
0 5V to
a
5 5V
twice the rated I
OL
(mA)
Note 1
Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired Functional operation under
these conditions is not implied
Note 2
Either voltage limit or current limit is sufficient to protect inputs
Symbol
V
IH
V
IL
V
CD
V
OH
Parameter
Min
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
20
54F 74F
Typ
V
OL
I
IH
I
BVI
I
CEX
V
ID
Output LOW
Voltage
Input HIGH
Current
Input HIGH Current
Breakdown Test
Output HIGH
Leakage Current
Input Leakage
Test
O
74F
74F
I
OD
I
IL
Output Leakage
Circuit Current
Input LOW Current
I
OZH
I
OZL
I
OS
I
ZZ
Output Leakage Current
Output Leakage Current
Output Short-Circuit Current
Bus Drainage Test
bs
ol
54F 10% V
CC
54F 10% V
CC
74F 10% V
CC
74F 10% V
CC
74F 5% V
CC
54F 10% V
CC
74F 10% V
CC
54F
74F
24
20
24
20
27
V
Min
I
OH
I
OH
I
OH
I
OH
I
OH
e
e
e
e
e
b
3 mA
b
12 mA
b
3 mA
b
15 mA
b
3 mA
54F
74F
54F
74F
4 75
3 75
b
1 0
b
1 6
b
100
et
Units
V
V
CC
Conditions
Max
Recognized as a HIGH Signal
08
V
Recognized as a LOW Signal
b
1 2
DC Electrical Characteristics
V
Min
0 55
0 55
V
Min
20 0
50
100
70
mA
mA
mA
V
Max
Max
Max
00
00
250
50
mA
mA
mA
mA
mA
mA
Max
Max
Max
Max
0 0V
50
b
50
b
225
500
4
e
I
IN
e b
18 mA
I
OL
e
48 mA
I
OL
e
64 mA
V
IN
e
2 7V
V
IN
e
7 0V
V
OUT
e
V
CC
I
ID
e
1 9
mA
All Other Pins Grounded
V
IOD
e
150 mV
All Other Pins Grounded
V
IN
e
0 5V (OE
1
OE
2
OE
2
D
n
(’F240))
V
IN
e
0 5V (D
n
(’F241 ’F244))
V
OUT
e
2 7V
V
OUT
e
0 5V
V
OUT
e
0V
V
OUT
e
5 25V
4000V
查看更多>
参数对比
与74F244PC相近的元器件有：74F241PC、54F241DMQB、54F240LMQB、54F241LMQB、54F241DM、54F241FMQB、54F244LM、74F240PC、74F240SCX。描述及对比如下：
型号 74F244PC 74F241PC 54F241DMQB 54F240LMQB 54F241LMQB 54F241DM 54F241FMQB 54F244LM 74F240PC 74F240SCX
描述 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, PDIP20, 0.300 INCH, PLASTIC DIP-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, PDIP20, 0.300 INCH, PLASTIC DIP-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, CDIP20, CERAMIC, DIP-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, Inverted Output, TTL, CQCC20, CERAMIC, LCC-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, CDIP20, CERAMIC, DIP-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, CDFP20, CERAMIC, FP-20 Bus Driver, F/FAST Series, 2-Func, 4-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20 F/FAST SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDIP20, 0.300 INCH, PLASTIC DIP-20 F/FAST SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20, 0.300 INCH, SOIC-20
是否Rohs认证 符合 符合 不符合 不符合 不符合 不符合 不符合 不符合 符合 符合
零件包装代码 DIP DIP DIP QLCC QLCC DIP DFP QLCC DIP SOIC
包装说明 DIP, DIP, DIP, DIP20,.3 QCCN, LCC20,.35SQ QCCN, LCC20,.35SQ DIP, DIP20,.3 DFP, FL20,.3 CERAMIC, LCC-20 DIP, SOP,
针数 20 20 20 20 20 20 20 20 20 20
Reach Compliance Code unknow unknow unknow unknown unknown unknown unknown unknown unknown unknown
系列 F/FAST F/FAST F/FAST F/FAST F/FAST F/FAST F/FAST F/FAST F/FAST F/FAST
JESD-30 代码 R-PDIP-T20 R-PDIP-T20 R-GDIP-T20 S-CQCC-N20 S-CQCC-N20 R-GDIP-T20 R-GDFP-F20 S-CQCC-N20 R-PDIP-T20 R-PDSO-G20
逻辑集成电路类型 BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER BUS DRIVER
位数 4 4 4 4 4 4 4 4 4 4
功能数量 2 2 2 2 2 2 2 2 2 2
端口数量 2 2 2 2 2 2 2 2 2 2
端子数量 20 20 20 20 20 20 20 20 20 20
最高工作温度 70 °C 70 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 70 °C 70 °C
最低工作温度 - - -55 °C -55 °C -55 °C -55 °C -55 °C -55 °C - -
输出特性 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE
输出极性 TRUE TRUE TRUE INVERTED TRUE TRUE TRUE TRUE INVERTED INVERTED
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY CERAMIC, GLASS-SEALED CERAMIC, METAL-SEALED COFIRED CERAMIC, METAL-SEALED COFIRED CERAMIC, GLASS-SEALED CERAMIC, GLASS-SEALED CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 DIP DIP DIP QCCN QCCN DIP DFP QCCN DIP SOP
封装形状 RECTANGULAR RECTANGULAR RECTANGULAR SQUARE SQUARE RECTANGULAR RECTANGULAR SQUARE RECTANGULAR RECTANGULAR
封装形式 IN-LINE IN-LINE IN-LINE CHIP CARRIER CHIP CARRIER IN-LINE FLATPACK CHIP CARRIER IN-LINE SMALL OUTLINE
峰值回流温度（摄氏度） NOT APPLICABLE NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT APPLICABLE 260
传播延迟（tpd） 6.5 ns 6.5 ns 7 ns 9 ns 7 ns 7 ns 7 ns 7 ns 8 ns 8 ns
座面最大高度 5.08 mm 5.08 mm 5.08 mm 1.905 mm 1.905 mm 5.08 mm 2.286 mm 1.905 mm 5.08 mm 2.642 mm
最大供电电压 (Vsup) 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 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 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 5 V 5 V 5 V 5 V 5 V
表面贴装 NO NO NO YES YES NO YES YES NO YES
技术 TTL TTL TTL TTL TTL TTL TTL TTL TTL TTL
温度等级 COMMERCIAL COMMERCIAL MILITARY MILITARY MILITARY MILITARY MILITARY MILITARY COMMERCIAL COMMERCIAL
端子形式 THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE NO LEAD NO LEAD THROUGH-HOLE FLAT NO LEAD THROUGH-HOLE GULL WING
端子节距 2.54 mm 2.54 mm 2.54 mm 1.27 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm 2.54 mm 1.27 mm
端子位置 DUAL DUAL DUAL QUAD QUAD DUAL DUAL QUAD DUAL DUAL
处于峰值回流温度下的最长时间 NOT APPLICABLE NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT APPLICABLE NOT SPECIFIED
宽度 7.62 mm 7.62 mm 7.62 mm 8.89 mm 8.89 mm 7.62 mm 7.73 mm 8.89 mm 7.62 mm 7.493 mm
Base Number Matches 1 1 1 1 1 1 1 1 1 1
是否无铅 不含铅 - 含铅 含铅 含铅 含铅 含铅 含铅 不含铅 不含铅
JESD-609代码 e3 - e0 e0 e0 e0 e0 e0 e3 e3
长度 26.07 mm 26.07 mm 24.51 mm 8.89 mm 8.89 mm 24.51 mm - 8.89 mm 26.07 mm 12.8015 mm
端子面层 Matte Tin (Sn) - TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD MATTE TIN MATTE TIN
控制类型 - - ENABLE LOW/HIGH ENABLE LOW ENABLE LOW/HIGH ENABLE LOW/HIGH ENABLE LOW/HIGH ENABLE LOW - -
最大I（ol） - - 0.048 A 0.048 A 0.048 A 0.048 A 0.048 A 0.048 A - -
封装等效代码 - - DIP20,.3 LCC20,.35SQ LCC20,.35SQ DIP20,.3 FL20,.3 LCC20,.35SQ - -
电源 - - 5 V 5 V 5 V 5 V 5 V 5 V - -
最大电源电流（ICC） - - 90 mA 75 mA 90 mA 90 mA 90 mA 90 mA - -
认证状态 - - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified - -
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器件捷径:
L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ
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