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74ABT2953DB PDF даташит

Спецификация 74ABT2953DB изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «Octal registered transceiver/ inverting 3-State».

Детали детали

Номер произв 74ABT2953DB
Описание Octal registered transceiver/ inverting 3-State
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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74ABT2953DB Даташит, Описание, Даташиты
Philips Semiconductors
Octal registered transceiver, inverting (3-State)
Product specification
74ABT2953
FEATURES
8-bit registered transceiver
Independent registers for A and B buses
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
Live insertion/extraction permitted
Power-up 3-State
Power-up reset
DESCRIPTION
The 74ABT2953 high-performance BiCMOS device combines low
static and dynamic power dissipation with high speed and high
output drive.
The 74ABT2953 device is an 8-bit registered inverting transceiver.
Two 8-bit back-to-back registers store data flowing in both directions
between two bidirectional buses. Data applied to the inputs is
entered and stored on the rising edge of the Clock (CPXX) provided
that the Clock Enable (CEXX) is Low. The data is then present at
the 3-State output buffers, but is only accessible when the Output
Enable (OEXX) is Low. Data flow from A inputs to B outputs is the
same as for B inputs to A outputs.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
tPLH Propagation delay
tPHL CPBA to An or CPAB to Bn
CIN Input capacitance
CI/O I/O capacitance
ICCZ
Total supply current
CONDITIONS
Tamb = 25°C; GND = 0V
CL = 50pF; VCC = 5V
VI = 0V or VCC
Outputs disabled;
VO = 0V or VCC
Outputs disabled; VCC =5.5V
TYPICAL
5.0
4
7
500
UNIT
ns
pF
pF
nA
ORDERING INFORMATION
PACKAGES
24-Pin Plastic DIP
24-Pin plastic SO
24-Pin Plastic SSOP Type II
24-Pin Plastic TSSOP Type I
TEMPERATURE RANGE OUTSIDE NORTH AMERICA
–40°C to +85°C
74ABT9253 N
–40°C to +85°C
74ABT2953 D
–40°C to +85°C
74ABT2953 DB
–40°C to +85°C
74ABT2953 PW
NORTH AMERICA
74ABT2953 N
74ABT2953 D
74ABT2953 DB
74ABT2953PW DH
DWG NUMBER
SOT222-1
SOT137-1
SOT340-1
SOT355-1
PIN CONFIGURATION
B7 1
B6 2
B5 3
B4 4
B3 5
B2 6
B1 7
B0 8
OEAB 9
CPAB 10
CEAB 11
GND 12
24 VCC
23 A7
22 A6
21 A5
20 A4
19 A3
18 A2
17 A1
16 A0
15 OEBA
14 CPBA
13 CEBA
TOP VIEW
PIN DESCRIPTION
PIN NUMBER SYMBOL
10, 14
CPAB /
CPBA
11, 13
CEAB /
CEBA
16, 17, 18, 19,
20, 21, 22, 23
A0 – A7
1, 2, 3, 4, 5, 6,
7, 8
B0 – B7
9, 15
OEAB /
OEBA
12 GND
24 VCC
NAME AND FUNCTION
Clock input A to B / Clock input
B to A
Clock enable input A to B / Clock
enable input B to A
Data inputs/outputs (A side)
Data outputs/outputs (B side)
Output enable inputs
Ground (0V)
Positive supply voltage
SA00305
1995 Sep 06
1 853-1555 15702









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74ABT2953DB Даташит, Описание, Даташиты
Philips Semiconductors
Octal registered transceiver, inverting (3-State)
Product specification
74ABT2953
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
16 17 18 19 20 21 22 23
A0 A1 A2 A3 A4 A5 A6 A7
10 CPAB
11 CEAB
OEBA
15
14 CPBA
OEAB
9
13 CEBA
B0 B1 B2 B3 B4 B5 B6 B7
8765 432 1
11
EN1
13
EN2
15
EN3
9
EN4
10
C5
14
C6
16 2, 3, 6 1, 4, 5
17
18
19
20
21
22
23
8
7
6
5
4
3
2
1
SA00306
SA00307
FUNCTION TABLE for Register An or Bn
INPUTS
INTERNAL OPERATING
An or
Bn
CPXX
CEXX
Q
MODE
X X H NC Hold data
LL
HL
L
H
Load data
H = High voltage level
L = Low voltage level
= Low-to-High transition
X = Don’t care
XX = AB or BA
NC= No change
FUNCTION TABLE for Output Enable
INPUTS INTERNAL An or Bn
OPERATING
OEXX
Q OUTPUTS
MODE
HX
Z Disable outputs
LL
LH
H
L
Enable outputs
H = High voltage level
L = Low voltage level
X = Don’t care
XX = AB or BA
Z = High impedance ”off” state
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
VCC DC supply voltage
–0.5 to +7.0
V
IIK DC input diode current
VI < 0
–18 mA
VI DC input voltage3
–1.2 to +7.0
V
IOK
VOUT
DC output diode current
DC output voltage3
VO < 0
output in Off or High state
–50
–0.5 to +5.5
mA
V
IOUT
DC output current
output in Low state
128 mA
Tstg Storage temperature range
–65 to 150
°C
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
1995 Sep 06
2









No Preview Available !

74ABT2953DB Даташит, Описание, Даташиты
Philips Semiconductors
Octal registered transceiver, inverting (3-State)
Product specification
74ABT2953
LOGIC DIAGRAM
11
CEAB
10
CPAB
9
OEAB
16
A0
17
A1
18
A2
19
A3
20
A4
21
A5
22
A6
23
A7
13
CEBA
14
CPBA
15
OEBA
CE Q
D
CP
DETAIL A
Q CE
CP
D
DETAIL A X 7
8
B0
7 B1
6 B2
5 B3
4 B4
3 B5
2 B6
1 B7
SA00308
1995 Sep 06
3










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