WF5028 PDF даташит
Спецификация WF5028 изготовлена «Seiko Instruments» и имеет функцию, называемую «0.8V Operation Crystal Oscillator Module ICs». |
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Детали детали
Номер произв | WF5028 |
Описание | 0.8V Operation Crystal Oscillator Module ICs |
Производители | Seiko Instruments |
логотип |
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WF5028 series
0.8V operation Crystal Oscillator Module ICs
OVERVIEW
The WF5028 series are miniature crystal oscillator module ICs. The devices are fabricated using a proprietary
low voltage process, enabling 0.8V operation. The pad layouts are selective from 3 types depending on pack-
age structures, mounting methods, which are suitable for miniature crystal oscillators. The WF5028 series can
be used to realize ultra miniature, ultra low voltage crystal oscillators.
FEATURES
I Wide range of operating supply voltage: 0.8 to 2.0V
I Optimized low crystal drive current oscillation for
miniature crystal units
I 3 pad layout options for mounting
• WF5028A× series: for Flip Chip Bonding
• CF5028B× series: for Wire Bonding (type I)
• CF5028C× series: for Wire Bonding (type II)
I Recommended oscillation frequency range:
20MHz to 50MHz
I Multi-stage frequency divider for low-frequency
output support: 0.75MHz (min)
I Frequency divider built-in
• Selectable by version: fO, fO/2, fO/4, fO/8, fO/16,
fO/32, fO/64
I −40 to 85°C operating temperature range
I Standby function
• High impedance in standby mode, oscillator
stops
I CMOS output duty level (1/2VDD)
I 50 ± 5% output duty
I 15pF output drive capability
I Wafer form (WF5028××)
Chip form (CF5028××)
APPLICATIONS
I 3.2 × 2.5, 2.5 × 2.0, 2.0 × 1.6 size miniature crystal oscillator modules
ORDERING INFORMATION
Device
WF5028××–4
CF5028××–4
Package
Wafer form
Chip form
SEIKO NPC CORPORATION —1
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WF5028 series
SERIES CONFIGURATION
Version*1
Operating
supply voltage
range [V]
Oscillation
mode
Recommended
oscillation frequency
range*2 [MHz]
Output
frequency
Output drive
Standby mode
capability [mA] Oscillator stop
(VDD = 1.2V)
function
Output state
WF5028×1
fO (oscillation
frequency)
WF5028×2
WF5028×3
WF5028×4
WF5028×5
WF5028×6
WF5028×7
0.8 to 2.0 Fundamental
20 to 50
fO/2
fO/4
fO/8
fO/16
fO/32
fO/64
±3
Yes Hi-Z
*1. Chip form devices have designation CF5028××.
*2. The recommended oscillation frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. However, the
oscillation frequency range is not guaranteed. Specifically, the characteristics can vary greatly due to crystal characteristics and mounting condi-
tions, so the oscillation characteristics of components must be carefully evaluated.
VERSION NAME
Device
Package
Version name
WF5028××–4 Wafer form
CF5028××–4
Chip form
WF5028
Form WF: Wafer form
CF: Chip (Die) form
−4
Frequency divider function
Pad layout type A: for Flip Chip Bonding
B: for Wire Bonding (type I)
C: for Wire Bonding (type II)
SEIKO NPC CORPORATION —2
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WF5028 series
PAD LAYOUT
(Unit: µm)
I WF5028A×
(for Flip Chip Bonding)
I CF5028B×
(for Wire Bonding (type I))
I CF5028C×
(for Wire Bonding (type II))
(750,690)
(750,690)
(750,690)
VSS 5
4Q
Y INHN 6
3 VDD
12
(0,0) XT XTN
X
Chip size: 0.75 × 0.69mm
Chip thickness: 130 ± 15µm
PAD size: 90µm
Chip base: VSS level
Q5
4 VSS
Y VDD 6
3 INHN
12
(0,0) XTN XT
X
Chip size: 0.75 × 0.69mm
Chip thickness: 130 ± 15µm
PAD size: 90µm
Chip base: VSS level
VDD 5
4Q
Y INHN 6
3 VSS
12
(0,0) XT XTN
X
Chip size: 0.75 × 0.69mm
Chip thickness: 130 ± 15µm
PAD size: 90µm
Chip base: VSS level
PAD DIMENSIONS PIN DESCRIPTION
Pad dimensions [µm]
Pad No.
XY
1 229 114
2 520 114
3 636 304
4 636 531
5 114 531
6 114 304
Pad No.
5028A× 5028B× 5028C×
121
212
365
454
543
636
Pin
XT
XTN
VDD
Q
VSS
INHN
Name
Amplifier input
Amplifier output
(+) supply voltage
Output
(–) ground
Output state
control input
Description
Crystal connection pins. Crystal is connected
between XT and XTN.
–
Output frequency determined by internal circuit
to one of fO, fO/2, fO/4, fO/8, fO/16, fO/32, fO/64
–
High impedance when LOW (oscillator stops).
Power-saving pull-up resistor built-in.
BLOCK DIAGRAM
VDD VSS
INHN
XT
CG
XTN
RF
DIVIDER
RD
CD
CMOS
Q
SEIKO NPC CORPORATION —3
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