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Atmel Electronic Components Datasheet



AT16373F-25YC

AT16373 Fast Logic 16-Bit Transparent Latch



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AT16373F-25YC pdf
AT16373
Features
Fastest Propagation Speeds in the Industry TPD (F grade) = 2.5 ns, TPD (G grade) = 2.0 ns
Maximum derating for capacitive loads 1.5ns/100 pF (F grade) and 1.1ns/100 pF
(G grade)
Very low ground bounce < 0.6V @ VCC=5.00V, Ta=25°C
Excellent noise rejection
•• Typical output skew 0.25ns
Bus Hold circuitry to retain last active state during Tri-state
Available in SSOP and TSSOP packages
Description
Atmel’s AT16373 devices provide maximum speed in temporary data storage. They
can be operated as either two separate 8 bit latches or as a single 16-bit latch by use
of the output enable and the latch enable. The AT16373 has very low ground bounce
and excellent input noise rejection, giving the user stable signals in a high speed
environment. These devices can drive very large loads while operating in a high speed
transparent mode.
Functional Block Diagram (1)
AT16373
Fast Logic
16-Bit
Transparent
Latch
AT16373F
AT16373G
Note: 1. This 8-bit latch function is repeated a second time on each device.
Pin Configurations
Pin Names
xOE
xLE
xDχ
xOχ
Descriptions
Output Enable Input
(Active Low)
Latch Enable Inputs
(Active High)
Data Inputs
Tri-State Outputs
1OE 1O1
1O2 GND
1O3
1O4
VCC
1O5
1O6
GND
1O7
1O8
2O1
2O2
GND
2O3
2O4
VCC
2O5
2O6
GND
2O7
2O8
2OE
SSOP/TSSOP
12
34
56
78
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 47
46 45
44 43
42 41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
Top View
1D1 1LE
GND 1D2
1D4 1D3
1D5 VCC
1D6
GND
1D7
1D8
2D1
2D2
GND
2D3
2D4
VCC
2D5
2D6
GND
2D7
2D8
2LE
0756B
5-15



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AT16373F-25YC pdf
Function Table(1)
Inputs
xDχ xLE
H
L
X
Note: 1. X = Don’t Care, Z = High Impedance
H
H
X
xOE
L
L
H
Outputs
xOχ
H
L
Z
Absolute Maximum Ratings*
Operating Temperature........................ 0°C to +70°C
Storage Temperature...................... -65°C to +150°C
Voltage on any Pin
with Respect to Ground .................. -2.0V to +7.0V(1)
*NOTICE: Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional
operation of the device at these or any other conditions
beyond those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may
affect device reliability.
Maximum Operating Voltage ............................. 6.0V
5.0 Volt DC Characteristics
Notes: 1. Minimum voltage is -0.6V dc which may undershoot
to -2.0V for pulses of less than 20 ns. Maximum
output pin voltage is VCC +0.75V dc which may
overshoot to +7.0V for pulses of less than 20 ns.
Applicable over recommended operating range from Ta = 0°C to +70°C, VCC = +5.0V +/- 5% (unless otherwise noted)
Symbol
Parameter
Test Conditions
Units
Min Typ Max
ICC
Quiescent Power Supply
Current
VCC = Max, VIN = 3.4V
0.8 1.2 mA
VIH
VIL
IIH
IIL
IOZ
VOH(1)
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
Output Leakage Current
Output High Voltage
F Grade only
VIN = VCC
VIN = GND
VCC = 4.75V
IOH = -10 mA
2.0 V
0.8 V
±15 µA
±15 µA
±10 µA
2.7 V
VOH(2)
VOL
Output High Voltage
G Grade only
Output Low Voltage (F Grade)
VCC = 4.75V
IOH = -12 mA
IOL = 10 mA
2.7 V
0.55 V
VOL
Output Low Voltage (G Grade)
IOL = 12 mA
Note: 1. F grade: At VCC (max), the value of VOH(max) = 3.75V and at VCC(min), VOH(max) = 3.25V
2. G grade: At VCC (max), the value of VOH(max) = 3.75V and at VCC(min), VOH(max) = 3.35V
0.55 V
5-16 AT16373



Part Number AT16373F-25YC
Description AT16373 Fast Logic 16-Bit Transparent Latch
Maker ATMEL Corporation - ATMEL Corporation
Total Page 6 Pages
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AT16373F-25YC pdf
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