Układy produkuje chociażby Texas Instruments lub Cypress Semiconductor Corporation.Czy w Polsce jest jakiś importer musisz sam popytać np.TME Regulamin, pkt 3.1.11, 3.1.14. Proszę się powstrzymać od "niby"-porad, które nic nie wnoszą do tematu.
Data sheet acquired from Cypress Semiconductor Corporation.
Data sheet modified to remove devices not offered.
CY74FCT16373T
CY74FCT162373T
16-Bit Latches
SCCS054 - August 1994 - Revised March 2000
Features
Functional Description
• FCT-E speed at 3.4 ns
• Power-off disable outputs permits live insertion
• Edge-rate control circuitry for significantly improved
noise characteristics
• Typical output skew & lt; 250 ps
• ESD & gt; 2000V
• TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)
packages
• Industrial temperature range of −40˚C to +85˚C
• VCC = 5V ± 10%
CY74FCT16373T Features:
• 64 mA sink current, 32 mA source current
• Typical VOLP (ground bounce) & lt; 1.0V at VCC = 5V,
TA = 25˚C
CY74FCT16373T and CY74FCT162373T are 16-bit D-type
latches designed for use in bus applications requiring high
speed and low power. These devices can be used as two
independent 8-bit latches or as a single 16-bit latch by
connecting the Output Enable (OE) and Latch (LE) inputs.
Flow-through pinout and small shrink packaging aid in
simplifying board layout. The output buffers are designed with
power-off disable feature that allows live insertion of boards.
The CY74FCT16373T is ideally suited for driving
high-capacitance loads and low-impedance backplanes.
The CY74FCT162373T has 24-mA balanced output drivers
with current limiting resistors in the outputs. This reduces the
need for external terminating resistors and provides for
minimal undershoot and reduced ground bounce. The
CY74FCT162373T is ideal for driving transmission lines.
CY74FCT162373T Features:
• Balanced 24 mA output drivers
• Reduced system switching noise
• Typical VOLP (ground bounce) & lt; 0.6V at VCC = 5V,
TA= 25˚C
Pin Configuration
Logic Block Diagrams
SSOP/TSSOP
Top View
1OE
1OE
1D1
3
46
1D2
GND
4
45
GND
1O3
5
44
1D3
6
43
1D4
VCC
1O5
7
42
8
41
VCC
1D5
1O6
1O1
C
47
1O4
1D1
48
2
1O2
D
1
1O1
1LE
1LE
C
1D7
37
36
1D8
14
35
2D2
15
34
GND
2O3
2O1
38
12
13
GND
D
11
2O2
2D1
GND
2O1
2LE
1D6
39
1O8
2OE
40
10
1O7
FCT162373-1
9
GND
TO 7 OTHER CHANNELS
16
33
2D3
2O4
17
32
2D4
VCC
2O5
18
31
19
30
VCC
2D5
2D1
2O6
29
2D6
21
28
GND
2O7
22
27
2D7
2O8
23
26
2D8
2OE
TO 7 OTHER CHANNELS
20
GND
24
25
2LE
FCT162373-2
FCT162373-3
Copyright
© 2000, Texas Instruments Incorporated
CY74FCT16373T
CY74FCT162373T
Maximum Ratings[2, 3]
Pin Description
Name
Description
D
Data Inputs
LE
Latch Enable Inputs (Active HIGH)
OE
Output Enable Inputs (Active LOW)
O
(Above which the useful life may be impaired. For user
guidelines, not tested.)
Three-State Outputs
Storage Temperature ...................... Com’l −55°C to +125°C
Ambient Temperature with
Power Applied................................. Com’l −55°C to +125°C
DC Input Voltage .................................................−0.5V to +7.0V
DC Output Voltage ..............................................−0.5V to +7.0V
Function Table[1]
Outputs
Inputs
DC Output Current
(Maximum Sink Current/Pin) ...........................−60 to +120 mA
D
LE
OE
O
Power Dissipation .......................................................... 1.0W
H
H
L
H
Static Discharge Voltage............................................ & gt; 2001V
(per MIL-STD-883, Method 3015)
L
H
L
L
X
L
L
Q0
X
X
H
Z
Operating Range
Range
Industrial
Ambient
Temperature
VCC
−40°C to +85°C
5V ± 10%
Electrical Characteristics Over the Operating Range
Parameter
Description
Test Conditions
VIH
Input HIGH Voltage
VIL
Input Hysteresis[5]
VIK
Input Clamp Diode Voltage
VCC=Min., IIN=−18 mA
IIH
Input HIGH Current
IIL
IOZH
Typ.[4]
Input LOW Voltage
VH
Min.
Max.
2.0
Unit
V
0.8
100
−1.2
V
VCC=Max., VI=VCC
±1
µA
Input LOW Current
VCC=Max., VI=GND
±1
µA
High Impedance Output Current
(Three-State Output pins)
VCC=Max., VOUT=2.7V
±1
µA
IOZL
High Impedance Output Current
(Three-State Output pins)
VCC=Max., VOUT=0.5V
±1
µA
IOS
Short Circuit Current[6]
VCC=Max., VOUT=GND
−80
−200
mA
Current[6]
VCC=Max., VOUT=2.5V
−50
−180
mA
±1
µA
Max.
Unit
IO
Output Drive
IOFF
Power-Off Disable
−0.7
V
mV
−140
VCC=0V, VOUT≤4.5V[7]
Output Drive Characteristics for CY74FCT16373T
VOL
Output HIGH Voltage
Output LOW Voltage
Typ.[4]
VCC=Min., IOH=−3 mA
2.5
3.5
V
2.4
3.5
V
VCC=Min., IOH=−32 mA
VOH
Description
Min.
VCC=Min., IOH=−15 mA
Parameter
2.0
3.0
Test Conditions
VCC=Min., IOL=64 mA
0.2
V
0.55
V
Notes:
1. H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care. Z = High Impedance. Q0=Previous state of flip-flop.
2. Operation beyond the limits set forth may impair the useful life of the device. Unless otherwise noted, these limits are over the operating free-air temperature
range.
3. Unused inputs must always be connected to an appropriate logic voltage level, preferably either VCC or ground.
4. Typical values are at VCC=5.0V, TA= +25˚C ambient.
5. This parameter is specified but not tested.
6. Not more than one output should be shorted at a time. Duration of short should not exceed one second. The use of high-speed test apparatus and/or sample
and hold techniques are preferable in order to minimize internal chip heating and more accurately reflect operational values. Otherwise prolonged shorting of
a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parametric tests. In any sequence of parameter
tests, IOS tests should be performed last.
7. Tested at +25˚C.
2
CY74FCT16373T
CY74FCT162373T
Output Drive Characteristics for CY74FCT162373T
Parameter
Description
[6]
Test Conditions
Min.
Typ.[4]
Max.
Unit
IODL
Output LOW Current
VCC=5V, VIN=VIH or VIL, VOUT=1.5V
60
115
150
mA
IODH
Output HIGH Current[6]
VCC=5V, VIN=VIH or VIL, VOUT=1.5V
−60
−115
−150
mA
VOH
Output HIGH Voltage
VCC=Min., IOH=−24 mA
2.4
3.3
VOL
Output LOW Voltage
VCC=Min., IOL=24 mA
V
0.3
0.55
V
Typ.[4]
Max.
Unit
Capacitance[5] (TA = +25˚C, f = 1.0 MHz)
Parameter
Description
Test Conditions
CIN
Input Capacitance
VIN = 0V
4.5
6.0
pF
COUT
Output Capacitance
VOUT = 0V
5.5
8.0
pF
Power Supply Characteristics
Parameter
Description
Test Conditions
Typ.[4]
Max.
Unit
5
500
µA
ICC
Quiescent Power Supply Current VCC=Max.
VIN≤0.2V,
VIN≥VCC−0.2V
∆ICC
Quiescent Power Supply Current
(TTL inputs HIGH)
VCC=Max.
VIN=3.4V[8]
0.5
1.5
mA
ICCD
Dynamic Power Supply
Current[9]
VCC=Max., One Input
Toggling, 50% Duty Cycle,
Outputs Open, OE=GND
VIN=VCC or
VIN=GND
60
100
µA/MHz
IC
Total Power Supply Current[10]
VCC=Max., f1=10 MHz,
50% Duty Cycle, Outputs
Open, One Bit Toggling,
OE=GND, LE=VCC
VIN=VCC or
VIN=GND
0.6
1.5
mA
VIN=3.4V or
VIN=GND
0.9
2.3
mA
VCC=Max., f1=2.5 MHz,
VIN=VCC or
50% Duty Cycle, Outputs
VIN=GND
Open, Sixteen Bits Toggling,
VIN=3.4V or
OE=GND, LE=VCC
VIN=GND
2.4
4.5[11]
mA
6.4
16.5[11]
mA
Notes:
8. Per TTL driven input (VIN=3.4V); all other inputs at VCC or GND.
9. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.
10. IC= IQUIESCENT + IINPUTS + IDYNAMIC
IC
= ICC+∆ICCDHNT+ICCD(f0/2 + f1N1)
ICC = Quiescent Current with CMOS input levels
∆ICC = Power Supply Current for a TTL HIGH input(VIN=3.4V)
= Duty Cycle for TTL inputs HIGH
DH
= Number of TTL inputs at DH
NT
ICCD = Dynamic Current caused by an input transition pair (HLH or LHL)
= Clock frequency for registered devices, otherwise zero
f0
= Input signal frequency
f1
= Number of inputs changing at f1
N1
All currents are in milliamps and all frequencies are in megahertz.
11. Values for these conditions are examples of the ICC formula. These limits are specified but not tested.
3
CY74FCT16373T
CY74FCT162373T
Switching Characteristics Over the Operating Range[12]
CY74FCT16373AT
CY74FCT162373AT
Parameter
Min.
Description
Max.
Unit
Fig. No.[13]
tPLH
tPHL
Propagation Delay D to O
1.5
5.2
ns
1, 3
tPLH
tPHL
Propagation Delay
LE to O
2.0
6.7
ns
1, 5
tPZH
tPZL
Output Enable Time
1.5
6.1
ns
1, 7, 8
tPHZ
tPLZ
Output Disable Time
1.5
5.5
ns
1, 7, 8
tSU
Set-Up Time HIGH or LOW, D to LE
2.0
ns
9
tH
Hold Time HIGH or LOW, D to LE
1.5
ns
9
tW
LE Pulse Width HIGH
3.3
tSK(O)
Output Skew[14]
CY74FCT16373CT
CY74FCT162373CT
Parameter
Description
ns
0.5
5
ns
—
CY74FCT16373ET
CY74FCT162373ET
Min.
Max.
Min.
Max.
Unit
Fig. No.[13]
tPLH
tPHL
Propagation Delay
D to O
1.5
4.2
1.5
3.4
ns
1, 3
tPLH
tPHL
Propagation Delay
LE to O
2.0
5.5
2.0
3.7
ns
1, 5
tPZH
tPZL
Output Enable Time
1.5
5.5
1.5
4.4
ns
1, 7, 8
tPHZ
tPLZ
Output Disable Time
1.5
5.0
1.5
3.6
ns
1, 7, 8
tSU
Set-Up Time HIGH or LOW, D to LE
2.0
1.0
ns
9
tH
Hold Time HIGH or LOW,
D to LE
1.5
1.0
ns
9
tW
LE Pulse Width HIGH
3.3
3.0
ns
5
ns
—
tSK(O)
Output
Skew[14]
0.5
0.5
Notes:
12. Minimum limits are specified but not tested on Propagation Delays.
13. See “Parameter Measurement Information” in the General Information section.
14. Skew between any two outputs of the same package switching in the same direction. This parameter is ensured by design.
4
CY74FCT16373T
CY74FCT162373T
Ordering Information CY74FCT16373
Speed
(ns)
3.4
Ordering Code
Package
Name
Package Type
48-Lead (240-Mil) TSSOP
O48
48-Lead (300-Mil) SSOP
CY74FCT16373CTPACT
Z48
48-Lead (240-Mil) TSSOP
CY74FCT16373CTPVC/PVCT
O48
48-Lead (300-Mil) SSOP
CY74FCT16373ATPACT
Z48
48-Lead (240-Mil) TSSOP
CY74FCT16373ATPVC/PVCT
5.2
Z48
CY74FCT16373ETPVC/PVCT
4.2
CY74FCT16373ETPACT
O48
Operating
Range
Industrial
48-Lead (300-Mil) SSOP
Industrial
Industrial
Ordering Information CY74FCT162373
Speed
(ns)
3.4
Ordering Code
Package
Name
Package Type
48-Lead (240-Mil) TSSOP
O48
48-Lead (300-Mil) SSOP
74FCT162373ETPVCT
O48
48-Lead (300-Mil) SSOP
74FCT162373CTPACT
Z48
48-Lead (240-Mil) TSSOP
CY74FCT162373CTPVC
O48
48-Lead (300-Mil) SSOP
74FCT162373CTPVCT
5.2
Z48
CY74FCT162373ETPVC
4.2
74FCT162373ETPACT
O48
48-Lead (300-Mil) SSOP
74FCT162373ATPACT
Z48
48-Lead (240-Mil) TSSOP
CY74FCT162373ATPVC
O48
48-Lead (300-Mil) SSOP
74FCT162373ATPVCT
O48
48-Lead (300-Mil) SSOP
Operating
Range
5
Industrial
Industrial
Industrial
CY74FCT16373T
CY74FCT162373T
Package Diagrams
48-Lead Shrunk Small Outline Package O48
48-Lead Thin Shrunk Small Outline Package Z48
6
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Copyright © 2000, Texas Instruments Incorporated