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74ABTH16821A PDF даташит

Спецификация 74ABTH16821A изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «20-bit bus-interface D-type flip-flop; positive-edge trigger 3-State».

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Номер произв 74ABTH16821A
Описание 20-bit bus-interface D-type flip-flop; positive-edge trigger 3-State
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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74ABTH16821A Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
74ABT16821A
74ABTH16821A
20-bit bus-interface D-type flip-flop;
positive-edge trigger (3-State)
Product specification
Supersedes data of 1995 Sep 28
IC23 Data Handbook
1998 Feb 27
Philips
Semiconductors









No Preview Available !

74ABTH16821A Даташит, Описание, Даташиты
Philips Semiconductors
20-bit bus-interface D-type flip-flop;
positive-edge trigger (3-State)
Product specification
74ABT16821A
74ABTH16821A
FEATURES
20-bit positive-edge triggered register
Multiple VCC and GND pins minimize switching noise
Live insertion/extraction permitted
Power-up reset
Power-up 3-State
74ABTH16821A incorporates bus-hold data inputs which
eliminate the need for external pull-up resistors to hold unused
inputs
Output capability: +64mA/-32mA
Latch-up protection exceeds 500mA per JEDEC Std 17
ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
DESCRIPTION
The 74ABT16821A high-performance BiCMOS device combines
low static and dynamic power dissipation with high speed and high
output drive.
The 74ABT16821A has two 10-bit, edge triggered registers, with
each register coupled to a 3-State output buffer. The two sections of
each register are controlled independently by the clock (nCP) and
Output Enable (nOE) control gates.
Each register is fully edge triggered. The state of each D input, one
set-up time before the Low-to-High clock transition, is transferred to
the corresponding flip-flop’s Q output.
The 3-State output buffers are designed to drive heavily loaded
3-State buses, MOS memories, or MOS microprocessors.
The active Low Output Enable (nOE) controls all ten 3-State buffers
independent of the register operation. When nOE is Low, the data in
the register appears at the outputs. When nOE is High, the outputs
are in high impedance “off” state, which means they will neither drive
nor load the bus.
Two options are available, 74ABT16821A which does not have the
bus-hold feature and 74ABTH16821A which incorporates the
bus-hold feature.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH
tPHL
CIN
COUT
ICCZ
ICCL
Propagation delay
nCP to nQx
Input capacitance
Output capacitance
Quiescent supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
VI = 0V or VCC
VO = 0V or VCC; 3-State
Outputs disabled; VCC = 5.5V
Outputs LOW; VCC = 5.5V
TYPICAL
2.4
2.0
3
7
500
10
UNIT
ns
pF
pF
µA
mA
ORDERING INFORMATION
PACKAGES
56-Pin Plastic SSOP Type III
56-Pin Plastic TSSOP Type II
56-Pin Plastic SSOP Type III
56-Pin Plastic TSSOP Type II
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
–40°C to +85°C
74ABT16821A DL
–40°C to +85°C
74ABT16821A DGG
–40°C to +85°C
74ABTH16821A DL
–40°C to +85°C
74ABTH16821A DGG
NORTH AMERICA
BT16821A DL
BT16821A DGG
BH16821A DL
BH16821A DGG
DWG NUMBER
SOT371-1
SOT364-1
SOT371-1
SOT364-1
PIN DESCRIPTION
PIN NUMBER
55, 54, 52, 51, 49, 48, 47, 45, 44, 43,
42, 41, 40, 38, 37, 36, 34, 33, 31, 30
2, 3, 5, 6, 8, 9, 10, 12, 13, 14,
15, 16, 17, 19, 20, 21, 23, 24, 26, 27
1, 28
56, 29
4, 11, 18, 25, 32, 39, 46, 53
7, 22, 35, 50
1998 Feb 27
SYMBOL
1D0 - 1D9
2D0 - 2D9
1Q0 - 1Q9
2Q0 - 2Q9
1OE, 2OE
1CP, 2CP
GND
VCC
2
Data inputs
FUNCTION
Data outputs
Output enable inputs (active-Low)
Clock pulse inputs (active rising edge)
Ground (0V)
Positive supply voltage
853-1796 19026









No Preview Available !

74ABTH16821A Даташит, Описание, Даташиты
Philips Semiconductors
20-bit bus-interface D-type flip-flop;
positive-edge trigger (3-State)
Product specification
74ABT16821A
74ABTH16821A
PIN CONFIGURATION
1OE
1Q0
1Q1
GND
1Q2
1Q3
VCC
1Q4
1Q5
1Q6
GND
1Q7
1Q8
1Q9
2Q0
2Q1
2Q2
GND
2Q3
2Q4
2Q5
VCC
2Q6
2Q7
GND
2Q8
2Q9
2OE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56 1CP
55 1D0
54 1D1
53 GND
52 1D2
51 1D3
50 VCC
49 1D4
48 1D5
47 1D6
46 GND
45 1D7
44 1D8
43 1D9
42 2D0
41 2D1
40 2D2
39 GND
38 2D3
37 2D4
36 2D5
35 VCC
34 2D6
33 2D7
32 GND
31 2D8
30 2D9
29 2CP
SH00001
LOGIC SYMBOL
56 54 52 51 49 48 47 45 44 43
1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8 1D9
56 1CP
1 1OE
1Q0 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6 1Q7 1Q8 1Q9
2 3 5 6 8 9 10 12 13 14
42 41 40 38 37 36 34 33 31 30
2D0 2D1 2D2 2D3 2D4 2D5 2D6 2D7 2D8 2D9
29 2CP
28 2OE
2Q0 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6 2Q7 2Q8 2Q9
15 16 17 19 20 21 23 24 26 27
SH00002
1998 Feb 27
LOGIC SYMBOL (IEEE/IEC)
1OE
1CP
2OE
2CP
1D0
1D1
1D2
1D3
1D4
1D5
1D6
1D7
1D8
1D9
2D0
2D1
2D2
2D3
2D4
2D5
2D6
2D7
2D8
2D9
1
56
28
29
55
54
52
51
49
48
47
45
44
43
42
41
40
38
37
36
34
33
31
30
EN2
C1
EN4
C3
1D
2
3D 4
2 1Q0
3 1Q1
5 1Q2
6 1Q3
8 1Q4
9 1Q5
10 1Q6
12 1Q7
13 1Q8
14 1Q9
15 2Q0
16 2Q1
17 2Q2
19 2Q3
20 2Q4
21 2Q5
23 2Q6
24 2Q7
26 2Q8
27 2Q9
SH00003
FUNCTION TABLE
INPUTS
INTERNAL
nOE nCP nDx REGISTER
OUTPUTS
nQ0 - nQ9
OPERATING
MODE
L
l
Lh
L
H
L Load and read
H register
LX
NC
NC
Hold
H
H
H=
h=
L=
l=
NC=
X=
Z=
=
=
X
Dn
NC
Dn
Z Disable
Z outputs
High voltage level
High voltage level one set-up time prior to the Low-to-High
clock transition
Low voltage level
Low voltage level one set-up time prior to the Low-to-High
clock transition
No change
Don’t care
High impedance “off” state
Low to High clock transition
Not a Low-to-High clock transition
3










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