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9DB233 Datasheet, PDF (5/17 Pages) Integrated Device Technology – Two Output Differential Buffer for PCIe Gen3
9DB233
TWO OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN3
Electrical Characteristics–Input/Supply/Common Parameters
TA = TCOM or TIND; Supply Voltage VDD = 3.3 V +/-5%
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
Ambient Operating
Temperature
Input High Voltage
Input Low Voltage
TCOM
TIND
VIH
VIL
IIN
Commmercial range
Industrial range
Single-ended inputs, except SMBus, low
threshold and tri-level inputs
Single-ended inputs, except SMBus, low
threshold and tri-level inputs
Single-ended inputs, VIN = GND, VIN = VDD
0
-40
2
GND - 0.3
-5
Input Current
Single-ended inputs
IINP
VIN = 0 V; Inputs with internal pull-up resistors
-200
VIN = VDD; Inputs with internal pull-down resistors
Input Frequency
Pin Inductance
Capacitance
Clk Stabilization
Fibyp
Fipll
Lpin
CIN
CINDIF_IN
VDD = 3.3 V, Bypass mode
VDD = 3.3 V, 100MHz PLL mode
Logic Inputs, except DIF_IN
DIF_IN differential clock inputs
10
33
100.00
1.5
1.5
COUT
Output pin capacitance
TSTAB
From VDD Power-Up and after input clock
stabilization or de-assertion of PD# to 1st clock
0.800
MAX
70
85
UNITS NOTES
°C
1
°C
1
VDD + 0.3 V
1
0.8
V
1
5
uA
1
200
uA
1
110
MHz
2
110
MHz
2
7
nH
1
5
pF
1
2.7
pF
1,4
6
pF
1
1.8
ms
1,2
Input SS Modulation
Allowable Frequency
Frequency
fMODIN
(Triangular Modulation)
30
33
kHz
1
OE# Latency
tLATOE#
DIF start after OE# assertion
DIF stop after OE# deassertion
1
Tdrive_PD#
tDRVPD
DIF output enable after
PD# de-assertion
Tfall
tF
Fall time of control inputs
Trise
tR
Rise time of control inputs
SMBus Input Low Voltage VILSMB
SMBus Input High Voltage VIHSMB
2.1
SMBus Output Low Voltage VOLSMB
@ IPULLUP
SMBus Sink Current
IPULLUP
@ VOL
4
Nominal Bus Voltage
VDDSMB
3V to 5V +/- 10%
2.7
SCLK/SDATA Rise Time
tRSMB
(Max VIL - 0.15) to (Min VIH + 0.15)
SCLK/SDATA Fall Time
tFSMB
(Min VIH + 0.15) to (Max VIL - 0.15)
SMBus Operating
Frequency
fMAXSMB
Maximum SMBus operating frequency
1Guaranteed by design and characterization, not 100% tested in production.
2Control input must be monotonic from 20% to 80% of input swing.
3Time from deassertion until outputs are >200 mV
4DIF_IN input
5The differential input clock must be running for the SMBus to be active
3
cycles 1,3
300
us
1,3
5
ns
1,2
5
ns
1,2
0.8
V
1
VDDSMB
V
1
0.4
V
1
mA
1
5.5
V
1
1000
ns
1
300
ns
1
100
kHz 1,5
IDT® TWO OUTPUT DIFFERENTIAL BUFFER FOR PCIE GEN3
5
9DB233
REV E 021914