74F398DCQR [TI]
F/FAST SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CDIP20, CERAMIC, DIP-20;
| 型号： | 74F398DCQR |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | F/FAST SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, CDIP20, CERAMIC, DIP-20 |
| 文件： | 总12页 (文件大小：429K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
54F398,54F399,74F398,74F399
54F398 54F399 74F398 74F399 Quad 2-Port Register
Literature Number: SNOS195A
May 1995
54F/74F398 54F/74F399
#
Quad 2-Port Register
General Description
Features
Y
Select inputs from two data sources
The ’F398 and ’F399 are the logical equivalents of a quad
2-input multiplexer feeding into four edge-triggered flip-
flops. A common Select input determines which of the two
4-bit words is accepted. The selected data enters the flip-
flops on the rising edge of the clock. The ’F399 is the 16-pin
version of the ’F398, with only the Q outputs of the flip-flops
available.
Y
Fully positive edge-triggered operation
Y
Both true and complement outputsÐ’F398
Y
Guaranteed 4000V minimum ESD protectionÐ’F399
Package
Commercial
74F398PC
Military
Package Dcription
Number
N20A
J20A
20-Lead (0.300 Wide) Molded l-In-Line
×
54F398DM (Note 2)
20-Lead Ceramic Dual-In-Line
74F398SC (Note 1)
74F399PC
M20B
W20A
E20A
N20A
J20A
20-Lead (0.300 WSmall Oute, JEDEC
×
54F398FM (Note 2)
54F398LM (Note 2)
20-LCerpack
20-Lead amic Less Chip rrier, Type C
20-Lead (0.3Wide) Dual-In-Line
×
54F399DM (Note 2)
20eramic al-In-Line
74F399SC (Note 1)
74F399SJ (Note 1)
M20B
M20D
W2
E20A
WidMolded Small Outline, JEDEC
×
Wide) Molded Small Outline, EIAJ
54F399FM (Note 2)
54F399LM (Note 2)
ck
20-Lead Ceramic Leadless Chip Carrier, Type C
e
Note 1: Devices also available in 13 reel. Use suffix
SC
×
Note 2: Military grade device with environmental and burn-in processing. Use sx
e
DMQB, FMQB and LMQB.
Connection Diagram
’F398
t
Pin Assignment
for DIP, SOIC and Flatpak
TL/F/9533–5
TL/F/9533–6
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
TL/F/9533
RRD-B30M75/Printed in U. S. A.
Connection Diagrams (Continued)
’F399
TL/F/9533–8
TL/F/9533–7
TL/F/9533–2
4
Logic Symbols
’F398
IEEE/IEC
’F398
’F399
TL/F/9533–1
’F399
TL/F/9533–3
Unit Loading/F
54F/74F
Pin Names
Description
U.L.
Input I /I
IH IL
Output I /I
HIGH/LOW
OH OL
b
20 mA/ 0.6 mA
b
20 mA/ 0.6 mA
b
20 mA/ 0.6 mA
b
20 mA/ 0.6 mA
S
Common Select Input
1.0/1.0
1.0/1.0
1.0/1.0
1.0/1.0
50/33.3
50/33.3
CP
Clock Pulse Input (Active Rising Edge)
Data Inputs from Source 0
I
I
–I
0a 0d
–I
1a 1d
Data Inputs from Source 1
b
b
Q –Q
a
Register True Outputs
1 mA/20 mA
1 mA/20 mA
d
d
Q –Q
a
Register Complementary Outputs (’F398)
2
Function Table
Functional Description
The ’F398 and ’F399 are high-speed quad 2-port registers.
They select four bits of data from either of two sources
(Ports) under control of a common Select input (S). The
selected data is transferred to a 4-bit output register syn-
chronous with the LOW-to-HIGH transition of the Clock in-
put (CP). The 4-bit D-type output register is fully edge-trig-
Inputs
Outputs
S
I
I
Q
Q*
0
1
I
I
I
X
X
I
L
H
L
H
L
h
X
X
h
h
H
L
gered. The Data inputs (I , I ) and Select input (S) must be
0x 1x
h
H
stable only a setup time prior to and hold time after the
LOW-to-HIGH transition of the Clock input for predictable
operation. The ’F398 has both Q and Q outputs.
e
e
e
H
L
h
HIGH Voltage Level
LOW Voltage Level
HIGH Voltage Level one setup time prior to the LOW-to-HIGH clock
transition
e
transition
I
LOW Voltage Level one setup time prior to the LOW-to-HIGH clock
e
X
Immaterial
*’F398 only
Logic Diagram
TL/F/9533–9
*’F398 Only
Please note that or the understanding of logic operations and should not be used to estimate propagation delays.
3
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
b
a
55 C to 125 C
§
0 C to 70 C
§
§
b
b
a
65 C to 150 C
Storage Temperature
§
§
§
§
§
a
§
a
55 C to 125 C
Ambient Temperature under Bias
§
Supply Voltage
Military
Commercial
b
b
a
a a
4.5V to 5.5V
a a
4.5V to 5.5V
Junction Temperature under Bias
Plastic
55 C to 175 C
§
§
a
55 C to 150 C
V
Pin Potential to
CC
Ground Pin
b
a
0.5V to 7.0V
b
a
0.5V to 7.0V
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
b
a
30 mA to 5.0 mA
e
in HIGH State (with V
Standard Output
0V)
CC
b
0.5V to 5.5V
0.5V to V
CC
b
a
TRI-STATE Output
É
Current Applied to Output
in LOW State (Max)
twice the rated I (mA)
OL
ESD Last Passing Voltage (Min)Ð’F399
4000V
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.
DC Electrical Characteristics
54F/74F
Symbol
Parameter
Units
Conditions
Min
Typ
Max
V
V
V
V
Input HIGH Voltage
2.0
V
V
Renized as a HIGH Signal
Recognized as a LOW Signal
IH
Input LOW Voltage
0.8
IL
b
e b
18 mA
Input Clamp Diode Voltage
Mi
Min
I
IN
CD
OH
e b
e b
e b
Output HIGH
Voltage
54F 10% V
2.5
2.5
2.7
I
I
I
1 mA
1 mA
1 mA
CC
OH
OH
OH
74F 10% V
74F 5% V
CC
CC
e
e
V
Output LOW
Voltage
54F 10% V
74F 10% V
.5
I
I
20 mA
20 mA
OL
CC
OL
V
Min
Max
Max
Max
0.0
0
CC
OL
e
I
I
I
Input HIGH Current
54F
74
20
5.0
V
V
V
2.7V
IH
IN
mA
mA
mA
V
e
Input HIGH Current
Breakdown Test
54F
74F
100
7.0
7.0V
BVI
IN
e
V
CC
Output HIGH
250
50
CEX
OUT
Leakage C
e
All Other Pins Grounded
V
ID
Input Leak
Test
I
ID
1.9 mA
4.75
e
IOD
I
Output Leak
Circuit Current
V
150 mV
OD
3.75
mA
0.0
All Other Pins Grounded
b
e
0.5V
I
I
I
I
I
I
Input LOW Current
0.6
mA
mA
mA
mA
mA
mA
Max
Max
Max
Max
Max
Max
V
V
V
V
V
V
IL
IN
b
b
e
OUT
Output Short-Circuit Current
Power Supply Current (’F398)
Power Supply Current (’F398)
Power Supply Current (’F399)
Power Supply Current (’F399)
60
150
0V
HIGH
LOW
HIGH
LOW
OS
e
25
25
22
22
38
38
34
34
CCH
CCL
CCH
CCL
O
e
O
e
O
e
O
4
AC Electrical Characteristics
74F
54F
74F
e a
T
25 C
§
5.0V
A
e
50 pF
e
50 pF
T
, V
CC
e
Mil
T
, V
A CC
Com
A
e a
Symbol
Parameter
V
Units
CC
e
C
C
L
L
e
C
50 pF
L
Min
Typ
Max
Min
Max
Min
Max
f
Input Clock Frequency
100
140
80
100
MHz
ns
max
t
t
Propagation Delay
CP to Q or Q
3.0*
3.0
5.7
6.8
7.5
9.0
3.0
3.0
9.5
3.0
3.0
8.5
PLH
11.5
10.0
PHL
*’F398 3.3 ns
AC Operating Requirements
74F
54F
74F
e a
e a
T
25 C
§
5.0V
A
e
Symbol
Parameter
T
, V
CC
Mil
Max
T
, V
A
ax
Units
A
V
CC
Min
Max
Min
Mi
t (H)
s
Setup Time, HIGH or LOW
3.0
3.0
4.5
4.5
3.0
3.0
t (L)
s
I to CP
n
ns
t (H)
h
Hold Time, HIGH or LOW
I to CP
n
1.0
1.0
1.5
1.5
0
1.
t (L)
h
t (H)
s
Setup Time, HIGH or LOW
S to CP (’F398)
7.5
7.5
10.5
10.5
8.5
8.5
t (L)
s
t (H)
s
Setup Time, HIGH or LOW
S to CP (’F399)
7.5
7.5
9.5
8.5
8.5
ns
ns
t (L)
s
t (H)
h
Hold Time, HIGH or LOW
S to CP
0
0
0
0
0
t (L)
h
t
t
(H)
(L)
CP Pulse Width
HIGH or LOW
4.0
5.0
4.0
5.0
w
w
5
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows:
74F 398/399
S
C
X
Temperature Range Family
Special Variations
e
e
e
74F
54F
Commercial
Military
QB
Military grade device with
environmental and burn-in
processing
Device Type
e
X
Devices shipped in 13 reel
×
Package Code
Temperature Range
e
e
e
e
e
e
P
D
F
L
S
SJ
Plastic DIP
Ceramic DIP
Flatpak
Leadless Chip Carrier (LCC)
Small Outline SOIC JEDEC
Small Outline SOIC EIAJ (74F399 only)
e
e
a
C
M
Commercial (0 C to 70 C)
§
§
b a
Military ( 55 C to 125 C)
§
§
6
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadlep CarriL)
NS Package A
20-Lead Ceramic Dual-In-Line Package (D)
NS Package Number J20A
7
Physical Dimensions inches (millimeters) (Continued)
20-Lead (0.300 Wide) Molded Small Outline Page, JE(
×
NS Package Number M20B
20-Lead (0.300 Wide) Molded Small Outline Package, EIAJ (SJ)
×
NS Package Number M20D
8
Physical Dimensions inches (millimeters) (Continued)
20-Lead (0.300 Wide) Molded Dual-In-Line Packag
×
NS Package Number N20A
9
Physical Dimensions inches (millimeters) (Continued)
20-Lead Ceramic Flatpak (F)
NS Package Number W20A
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