NB3H83905C Datasheet PDF - ON Semiconductor
| Part Number | NB3H83905C | |
| Description | 1.8V/2.5V/3.3V Crystal Input to 1:6 LVTTL/LVCMOS Clock Fanout Buffer | |
| Manufacturers | ON Semiconductor | |
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NB3H83905C
1.8V/2.5V/3.3V Crystal Input
to 1:6 LVTTL/LVCMOS Clock
Fanout Buffer with OE
Description
The NB3H83905C is a 1.8 V, 2.5 V or 3.3 V VDD core Crystal input
to 1:6 LVTTL/LVCMOS fanout buffer with outputs powered by
flexible 1.8 V, 2.5 V, or 3.3 V supply VDDO (with VDD w VDDO). The
device accepts a fundamental Parallel Resonant crystal from 3 MHz to
40 MHz or a single−ended LVCMOS Clock from up to 100 MHz.
Two synchronous LVTTL/LVCMOS Enable lines permit
independent control over outputs BCLK[0:4] and output BCLK5;
enabling or disabling only when the output is in LOW state
eliminating potential output glitching or runt pulse generation. When
unused, leave floating open, pins will default to HIGH state.
The 6 outputs drive 50 W series or parallel terminated transmission
lines. Parallel termination should be to 1/2 VCC. Series terminated
lines can drive 2 loads each, or 12 lines total.
Fit, Form, and Function compatible with ICS83905 and PI6C10806.
Features
• Six Copies of LVTTL/LVCMOS Output Clock
• Supply Operation VDD w VDDO:
♦ 1.8 V$0.2 V, 2.5 V $5% or 3.3 V $5% Core VDD
♦ 1.8 V$0.2 V, 2.5 V $5%, or 3.3 V $5% Output VDDO
• Crystal Oscillator Interface
• Crystal Input Frequency Range: 3 MHz to 40 MHz
• Clock Input Frequency Range: Up to 100 MHz
• LVCMOS compatible Enable Inputs
• 5 V Tolerant Enable Inputs
• Low Output to Output Skew: 80 ps Max
• Synchronous Output Enable
• Phase Noise Floor −160 dBc (1 MHz)
• Industrial Temperature Range
• These are Pb−Free Devices
XTAL_IN/CLK
XTAL_OUT
C1
C2
ENABLE1
ENABLE2
SYNC
SYNC
BCLK0
BCLK1
BCLK2
BCLK3
BCLK4
BCLK5
Figure 1. Simplified Block Diagram
http://onsemi.com
MARKING
DIAGRAMS*
16
SOIC−16
D SUFFIX
CASE 751B
NB3H83905G
ALYYWW
1
16
1
TSSOP−16
DT SUFFIX
CASE 948F
16
NB3H
905C
ALYWG
G
1
1
QFN20
MN SUFFIX
CASE 485BH
20
1 NB3H
83905
ALYWG
G
A = Assembly Location
L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G or G = Pb−Free Package
(*Note: Microdot may be in either location)
*For additional marking information, refer to
Application Note AND8002/D.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
November, 2012 − Rev. 9
1
Publication Order Number:
NB3H83905C/D
|
| |
 
NB3H83905C
Table 6. DC CHARACTERISTICS
Symbol
Characteristic
Min Typ Max Unit
VDD = VDDO = 3.135 V to 3.465 V (3.3 V $5%); GND = 0 V, TA = −405C to +855C
IDD Core Quiescent Power Supply Current (ENABLEx = LOW)
10 mA
IDDO Output Quiescent Power Supply Current (ENABLEx = LOW)
5 mA
VIH Input HIGH Voltage ENABLEx, XTAL_IN/CLK
2
VDD +
V
0.3 V
VIL Input LOW Voltage ENABLEx, XTAL_IN/CLK
VOH Output HIGH Voltage (Note 4)
VOL Output LOW Voltage (Note 4)
CIN Input Capacitance
CPD Power Dissipation Capacitance (per Output) (Note 4)
ROUT Output Impedance (Note 4)
VDD = VDDO = 2.375 V to 2.625 V (2.5 V $5%); GND = 0 V, TA = −405C to +855C
IDD Core Quiescent Power Supply Current (ENABLEx = LOW)
−0.3
2.6
4
19
7
0.8 V
V
0.5 V
pF
pF
W
8 mA
IDDO Output Quiescent Power Supply Current (ENABLEx = LOW)
4 mA
VIH Input HIGH Voltage ENABLEx, XTAL_IN/CLK
1.7
V0D.3DV+
V
VIL Input LOW Voltage ENABLEx, XTAL_IN/CLK
VOH
Output
Output
HIGH
HIGH
Voltage
Voltage
((NIOoHte=4−)1
mA)
−0.3 0.7 V
2.0 V
1.8
VOL Output LOW Voltage (IOL = 1 mA)
Output LOW Voltage (Note 4)
0.4 V
0.45
CIN Input Capacitance
CPD Power Dissipation Capacitance (per Output) (Note 4)
ROUT Output Impedance (Note 4)
VDD = VDDO = 1.6 V to 2.0 V (1.8 V $0.2 V); GND = 0 V, TA = −405C to +855C
IDD Core Quiescent Power Supply Current (ENABLEx = LOW)
4 pF
18 pF
7W
5 mA
IDDO Output Quiescent Power Supply Current (ENABLEx = LOW)
3 mA
VIH Input HIGH Voltage ENABLEx, XTAL_IN/CLK
0.65*VDD
V0D.3DV+
V
VIL Input LOW Voltage ENABLEx, XTAL_IN/CLK
−0.3
0.35*VDD
V
VOH Output HIGH Voltage (Note 4)
VDDO−0.3
V
VOL Output LOW Voltage (Note 4)
0.35 V
CIN Input Capacitance
4 pF
CPD Power Dissipation Capacitance (per Output) (Note 4)
16 pF
ROUT Output Impedance (Note 4)
10 W
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification
limit values are applied individually under normal operating conditions and not valid simultaneously.
4. Parallel terminated 50 W to VDDO/2 (see Figure 5).
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