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74ALVT16823 Folha de dados(PDF) 2 Page - NXP Semiconductors

Nome de Peças 74ALVT16823
Descrição Electrónicos  18-bit bus-interface D-type flip-flop with reset and enable 3-State
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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Philips Semiconductors
Product specification
74ALVT16823
2.5V/3.3V 18-bit bus-interface D-type flip-flop
with reset and enable (3-State)
2
1998 Jun 12
853-2069 19558
FEATURES
Two sets of high speed parallel registers with positive
edge-triggered D-type flip-flops
5V I/O Compatible
Ideal where high speed, light loading, or increased fan-in are
required with MOS microprocessors
Live insertion/extraction permitted
Power-up 3-State
Power-up Reset
No bus current loading when output is tied to 5 V bus
Output capability: +64mA/–32mA
Latch-up protection exceeds 500mA per Jedec Std 17
ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200 V per Machine Model
Bus hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
DESCRIPTION
The 74ALVT16823 18-bit bus interface register is designed to
eliminate the extra packages required to buffer existing registers and
provide extra data width for wider data/address paths of buses
carrying parity.
The 74ALVT16823 has two 9-bit wide buffered registers with Clock
Enable (nCE) and Master Reset (nMR) which are ideal for parity bus
interfacing in high microprogrammed systems.
The registers are 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.
It is designed for VCC operation from 2.5 V to 3.0 V with I/O
compatibility to 5 V.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
SYMBOL
PARAMETER
Tamb = 25°C; GND = 0V
2.5V
3.3V
UNIT
tPLH
tPHL
Propagation delay
nCP to nQx
CL = 50pF
2.5
1.9
ns
CIN
Input capacitance
VI = 0V or VCC
3
3
pF
COUT
Output capacitance
VI/O = 0V or 3.0V
9
9
pF
ICCZ
Total supply current
Outputs disabled
40
70
µA
ORDERING INFORMATION
PACKAGES
TEMPERATURE RANGE
OUTSIDE NORTH AMERICA
NORTH AMERICA
DWG NUMBER
56-Pin Plastic SSOP Type III
–40
°C to +85°C
74ALVT16823 DL
AV16823 DL
SOT371–1
56-Pin Plastic TSSOP Type II
–40
°C to +85°C
74ALVT16823 DGG
AV16823 DGG
SOT364–1
PIN DESCRIPTION
PIN NUMBER
SYMBOL
FUNCTION
2, 27
1OE, 2OE
Output enable input (active-Low)
54, 52, 51, 49, 48, 47, 45, 44, 43
42, 41, 40, 38, 37, 36, 34, 33, 31
1D0-1D8
2D0-2D8
Data inputs
3, 5, 6, 8, 9, 10, 12, 13, 14
15, 16, 17, 19, 20, 21, 23, 24, 26
1Q0-1Q8
2Q0-2Q8
Data outputs
56, 29
1CP, 2CP
Clock pulse input (active rising edge)
55, 30
1CE, 2CE
Clock enable input (active-Low)
1, 28
1MR, 2MR
Master reset input (active-Low)
4, 11, 18, 25, 32, 39, 46, 53
GND
Ground (0V)
7, 22, 35, 50
VCC
Positive supply voltage


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