74SSTV16859NLG [IDT]
VFQFPN-56, Tray;型号: | 74SSTV16859NLG |
厂家: | INTEGRATED DEVICE TECHNOLOGY |
描述: | VFQFPN-56, Tray 逻辑集成电路 触发器 电视 |
文件: | 总6页 (文件大小:78K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
IDT74SSTV16859
13-BIT TO 26-BIT REGISTERED
BUFFER WITH SSTL I/O
FEATURES:
DESCRIPTION:
• 2.3V to 2.7V Operation
TheSSTV16859isa13-bitto26-bitregisteredbufferdesignedfor2.3V-
2.7VVDD andsupportslowstandbyoperation. Alldatainputsandoutputs
are SSTL_2 level compatible with JEDEC standard for SSTL_2.
RESETisanLVCMOSinputsinceitmustoperatepredictablyduringthe
power-upphase.RESET,whichcanbeoperatedindependentofCLKand
CLK, must be held in the low state during power-up in order to ensure
predictable outputs (low state) before a stable clock has been applied.
RESET, when in the low state, will disable all input receivers, reset all
registers,andforcealloutputstoalowstate,beforeastableclockhasbeen
applied. Withinputsheldlowandastableclockapplied,outputswillremain
low during the Low-to-High transition of RESET.
• SSTL_2 Class II style data inputs/outputs
• Differential CLK input
• RESET control compatible with LVCMOS levels
• Latch-up performance exceeds 100mA
• ESD >2000V per MIL-STD-883, Method 3015; >200V using
machine model (C = 200pF, R = 0)
• Available in 56 pin VFQFPN and 64 pin TSSOP packages
APPLICATIONS:
• Ideally suited for DIMM DDR registered applications
FUNCTIONALBLOCKDIAGRAM
51
RESET
48
CLK
49
CLK
45
VREF
35
D1
16
Q1A
1D
C1
32
R
Q1B
TO 12 OTHER CHANNELS
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.
INDUSTRIAL TEMPERATURE RANGE
NOVEMBER 2008
1
c
2008 Integrated Device Technology, Inc.
DSC-5947/9
IDT74SSTV16859
INDUSTRIALTEMPERATURERANGE
13-BITTO26-BITREGISTEREDBUFFERWITHSSTLI/O
PINCONFIGURATIONS
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
Q13A
Q12A
Q11A
Q10A
VDDQ
GND
D13
2
3
4
D12
Q9A
5
VDD
VDDQ
6
VDDQ
Q7A
1
42
D10
D9
D8
D7
7
GND
Q8A
Q7A
GND
D11
Q6A
Q5A
8
9
D10
D9
Q4A
Q3A
Q6A
Q5A
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
RESET
GND
GND
D8
Q2A
Q1A
Q4A
Q3A
CLK
GND
Q13B
D7
CLK
VDDQ
VDD
VREF
D6
VDDQ
RESET
GND
Q2A
GND
Q1A
Q12B
Q11B
Q10B
CLK
CLK
VDDQ
VDD
VREF
D6
Q13B
VDDQ
D5
Q9B
29 D4
14
Q8B
Q12B
Q11B
Q10B
GND
D5
Q9B
Q8B
Q7B
VFQFPN
TOP VIEW
D4
D3
Q6B
GND
GND
VDDQ
VDD
VDDQ
Q5B
Q4B
Q3B
ABSOLUTE MAXIMUM RATINGS (1)
D2
Symbol
Description
Max.
–0.5to3.6
–0.5 to VDD +0.5
–0.5toVDDQ +0.5
–50
Unit
V
D1
VDD orVDDQ SupplyVoltageRange
GND
Q2B
Q1B
(2)
VI
InputVoltageRange
V
VDDQ
(3)
VO
OutputVoltageRange
Input Clamp Current, VI < 0
OutputClampCurrent,
VO < 0 or VO > VDDQ
ContinuousOutputCurrent,
VO = 0 to VDDQ
V
TSSOP
TOP VIEW
IIK
mA
mA
IOK
IO
±50
±50
±100
mA
mA
°C
FUNCTION TABLE (1)
VDD
ContinuousCurrentthrougheach
VDD, VDDQ or GND
Input
RESET
CLK
↑
CLK
↓
D
L
Q Outputs
TSTG
StorageTemperatureRange
–65to+150
H
H
H
L
H
Qo(2)
↑
↓
H
X
NOTES:
1. Stresses greater than 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 above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
2. The input and output negative voltage ratings may be exceeded if the ratings of the
I/P and O/P clamp current are observed.
3. The output current will flow if the following conditions are observed:
a) Output in HIGH state
L or H
L or H
L
X
X
X
L
NOTES:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
↑ = LOW to HIGH
↓ = HIGH to LOW
b) VO = VDDQ
2. Qo = Output level before the indicated steady-state conditions were established.
2
IDT74SSTV16859
INDUSTRIALTEMPERATURERANGE
13-BITTO26-BITREGISTEREDBUFFERWITHSSTLI/O
PINDESCRIPTION
Pin Names
Description
Q1 - Q13
DataOutput
GND
Ground
VDDQ
Output-stagedrainpowervoltage
Logicpowervoltage
VDD
RESET
VREF
Asynchronousresetinput-resetsregistersanddisablesdataandclockdifferentialinputrecievers
Inputreferencevoltage
CLK
Positivemasterclockinput
CLK
Negativemasterclockinput
D1 - D13
Center PAD
Data Input - clocked in on the crossing of the rising edge of CLK and the falling edge of CLK
Ground(MLFpackageonly)
DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE
FollowingConditionsApplyUnlessOtherwiseSpecified:
Operating Condition: TA = –40°C to +85°C, VDD = 2.5V ±0.2V, VDDQ = 2.5V ±0.2V
Symbol
VIK
Parameter
Test Conditions
Min.
Typ.
—
—
—
—
—
—
—
—
6
Max.
–1.2
—
Unit
V
ControlInputs
VDD = 2.3V, II= −18mA
—
VDD – 0.2
1.95
—
VOH
VDD = 2.3V to 2.7V, IOH = -100μA
VDD = 2.3V, IOH = -16mA
V
—
VOL
VDD = 2.3V to 2.7V, IOL = 100μA
0.2
0.35
5
V
VDD = 2.3V, IOL = 16mA
—
II
AllInputs
VDD = 2.7V,VI = VDD or GND
—
μA
IDD
StaticStandby
IO = 0, VDD = 2.7V, RESET = GND
IO = 0, VDD = 2.7V, RESET = VDD, VI = VIH (AC) or VIL (AC)
IO = 0, VDD = 2.7V, RESET = VDD, VI = VIH (AC) or VIL (AC),
CLK and CLK Switching 50% Duty Cycle.
IO = 0, VDD = 2.7V, RESET = VDD, VI = VIH (AC) or VIL (AC),
CLK and CLK Switching 50% Duty Cycle. One Data Input
Switching at Half Clock Frequency, 50% Duty Cycle.
VDD = 2.3V to 2.7V, IOH = -20mA
—
0.01
20
mA
StaticOperating
—
Dynamic Operating (Clock Only)
—
—
μA/Clock
MHz
IDDD
DynamicOperating
(PerEachDataInput)(1)
—
43
—
μA/Clock
MHz/Data
Input
rOH
rOL
Output HIGH
OutputLOW
7
7
—
—
—
—
—
—
20
20
4
Ω
VDD = 2.3V to 2.7V, IOH = 20mA
Ω
rO(Δ)
| rOH-rOL| each separate bit
DataInputs
VDD = 2.5V, TA = 25°C, IOH = -20mA
VDD = 2.5V, VI = VREF 310mV
—
2
Ω
3
CI
CLK and CLK
RESET
VICR = 1.25V, VI (PP) = 360mV
2
3
pF
VI = VDD or GND
2
3
NOTE:
1. Power dissipation levels will allow operation at DDR333 speeds without excessive die temperature.
3
IDT74SSTV16859
INDUSTRIALTEMPERATURERANGE
13-BITTO26-BITREGISTEREDBUFFERWITHSSTLI/O
OPERATING CHARACTERISTICS, TA = 25ºC (1)
Symbol
VDD
VDDQ
VREF
VTT
VI
Parameter
Min.
Typ.(1)
—
Max.
Unit
V
SupplyVoltage
VDDQ
2.7
OutputSupplyVoltage
ReferenceVoltage(VREF=VDDQ/2)
TerminationVoltage
2.3
2.5
1.25
VREF
—
2.7
V
1.15
1.35
V
VREF– 40mV
VREF+ 40mV
V
InputVoltage
0
VDD
V
VIH
AC High-Level Input Voltage
AC Low-Level Input Voltage
DCHigh-LevelInputVoltage
DCLow-LevelInputVoltage
High-LevelInputVoltage
Low-LevelInputVoltage
Common-ModeInputRange
Peak-to-PeakInputVoltage
High-LevelOutputCurrent
Low-LevelOutputCurrent
OperatingFree-AirTemperature
DataInputs
DataInputs
DataInputs
DataInputs
RESET
VREF+ 310mV
—
—
V
VIL
—
—
VREF–310mV
V
VIH
VREF+ 150mV
—
—
V
VIL
—
1.7
—
—
VREF–150mV
V
VIH
—
—
0.7
1.53
—
V
VIL
RESET
—
V
VICR
VI(PP)
IOH
CLK, CLK
CLK, CLK
0.97
360
—
—
V
—
mV
mA
—
– 20
20
IOL
—
—
TA
– 40
—
+85
°C
NOTE:
1. The RESET input of the device must be held at VDD or GND to ensure proper device operation.
TIMINGREQUIREMENTSOVERRECOMMENDEDOPERATINGFREE-AIR
TEMPERATURERANGE
VDD = 2.5V ± 0.2V
Symbol Parameter
Min.
—
Max.
200
—
Unit
CLOCK
tw
Clock Frequency
MHz
ns
Pulse Duration, CLK, CLK HIGH or LOW
DifferentialInputsActiveTime(1)
DifferentialInputsInactiveTime(2)
Setup Time, Fast Slew Rate(3, 5)
Setup Time, Slow Slew Rate(4, 5)
Hold Time, Fast Slew Rate(3,5)
Hold Time, Slow Slew Rate(2,5)
2.5
—
tACT
tINACT
tSU
22
ns
—
22
ns
Data Before CLK↑, CLK↓
Data Before CLK↑, CLK ↓
0.75
0.9
0.75
0.9
—
ns
—
ns
tN
—
ns
—
ns
NOTES:
1. Data inputs must be low a minimum time of tACT max., after RESET is taken HIGH.
2. Data and clock inputs must be held at valid levels (not floating) a minimum time of tINACT max., after RESET is taken LOW.
3. For data signal input slew rate is ≥1V/ns.
4. For data signal input slew rate is ≥0.5V/ns and <1V/ns.
5. CLK, CLK signal input slew rates are ≥1V/ns.
SWITCHINGCHARACTERISTICSOVERRECOMMENDEDFREE-AIROPERATING
RANGE(UNLESSOTHERWISENOTED)
VDD = 2.5V ± 0.2V
Symbol
fMAX
Parameter
Min
200
1.1
—
Max.
—
2.8
5
Unit
MHz
ns
tPD
CLK and CLK to Q
RESET to Q
tPHL
ns
4
IDT74SSTV16859
INDUSTRIALTEMPERATURERANGE
13-BITTO26-BITREGISTEREDBUFFERWITHSSTLI/O
TEST CIRCUITS AND WAVEFORMS (VDD = 2.5V ± 0.2V)
VTT
RL = 50Ω
From Output
Test Point
Under Test
CL = 30 pF
(see note 1)
Load Circuit
LVCMOS
RESET
VDD
Timing
Input
VI(PP)
VDD/2
VDD/2
VICR
VICR
Input
0V
tINACT
tACT
tPLH
tPHL
VTT
VOH
VOL
90%
VTT
IDD
10%
Output
(see note 2)
Voltage and Current Waveforms
Inputs Active and Inactive Times
Voltage Waveforms - Propagation Delay Times
LVCMOS
RESET
Input
VIH
VIL
VDD/2
tPHL
VTT
tW
VOH
VOL
VIH
VIL
Output
Input
VREF
VREF
Voltage Waveforms - Propagation Delay Times
Voltage Waveforms - Pulse Duration
Timing
Input
VICR
VI(PP)
tSU
tN
VIH
VIL
Input
VREF
VREF
Voltage Waveforms - Setup and Hold Times
NOTES:
1. CL includes probe and jig capacitance.
2. IDD tested with clock and data inputs held at VDD or GND, and IO = 0mA.
3. All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, ZO = 50Ω, input slew rate = 1 V/ns ±20% (unless otherwise specified).
4. The outputs are measured one at a time with one transition per measurement.
5. VTT = VREF = VDDQ/2
6. VIH = VREF + 310mV (AC voltage levels) for differential inputs. VIH = VDD for LVCMOS input.
7. VIL = VREF - 310mV (AC voltage levels) for differential inputs. VIL = GND for LVCMOS input.
8. tPLH and tPHL are the same as tPD.
5
IDT74SSTV16859
INDUSTRIALTEMPERATURERANGE
13-BITTO26-BITREGISTEREDBUFFERWITHSSTLI/O
ORDERINGINFORMATION
XX
XX
XX X
XX
SSTV
Temp. Range
Family Device Type Package
Thin Shrink Small Outline Package
Thermally Enhanced Plastic Very Fine Pitch
Quad Flat No Lead Package
PA
NL
859
13-Bit to 26-Bit Registered Buffer with SSTL I/O
16
74
Double-Density
–40°C to +85°C
CORPORATE HEADQUARTERS
for SALES:
San Jose, CA 95138
fax: 408-284-2775
www.idt.com
6
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