X90100MI XICOR [Xicor Inc.], X90100MI Datasheet

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X90100MI

Manufacturer Part Number
X90100MI
Description
NV Electronically Programmable Capacitor
Manufacturer
XICOR [Xicor Inc.]
Datasheet
BLOCK DIAGRAM
NV Electronically Programmable Capacitor
FEATURES
• Non-volatile EEPROM storage of programmed
• Power On Recall of capacitance setting
• High-Performance Electronically Trimmable
• Excellent Linearity: <0.5 LSB error
• Very Simple Digital Interface
• Fast Adjustments: 5µs max incremental change
• Eliminates the need for mechanical tuning
• Capacitance trimmable from 7.5 pF to 14.5 pF
• Packages:
APPLICATIONS
• Post-trim of low-cost regenerative receivers
• Tunable RF stages
• Low-cost, Low temperature drift oscillators
• Garage door openers
• Keyless entry
• Industrial wireless control
• Capacitive sensor trimming
• RFID tags
REV 1.4.7 9/8/03
MSOP
Flipchip
trim codes
Capacitance
(single-ended mode)
—MSOP (1.1mm x 3.0mm x 3.0mm)
—FCP (1.35mm x 1.32mm x 0.50mm)
Small Packages
Cm
U/D
INC
V
CC
C
PAD
www.xicor.com
Power On Reset
Logic and E
1*C
2*C
4*C
8*C
16*C
DESCRIPTION
The Xicor X90100 is a non-volatile electronically pro-
grammable capacitor.
through a simple digital interface. After programming,
the chosen setting for the device is retained by inter-
nal EEPROM storage whether or not DC power is
maintained. There are 32 programmable capacitance
values selectable, ranging from 7.5 pF to 14.5 pF in
0.23 pF increments, in single-ended mode. The dielec-
tric is highly stable, and the capacitance exhibits a very
low voltage coefficient. It has virtually no dielectric
absorbtion and has a very low temperature drift coeffi-
cient in differential mode (<50ppm/°C).
The X90100 is programmed through three digital inter-
face pins, which have Schmitt triggers and pullup
resistors to secure code retention. The three pins,
INC, U/D, and CS, are identical in operation to other
Xicor chips with up/down interface, such as the x9315
5-bit Digitally Controlled Potentiometer (DCP).
2
U
U
U
U
U
C
PAD
CS
V
SS
Cp
The device is programmed
X90100
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X90100MI Summary of contents

Page 1

Small Packages MSOP Flipchip NV Electronically Programmable Capacitor FEATURES • Non-volatile EEPROM storage of programmed trim codes • Power On Recall of capacitance setting • High-Performance Electronically Trimmable Capacitance • Excellent Linearity: <0.5 LSB error • Very Simple Digital Interface ...

Page 2

PIN CONFIGURATION MSOP INC U X90100 N/C Vss FCP X90100 X90100 ORDERING CODES Ordering Number X90100M8I 7.5pF to 14.5pF, ...

Page 3

ABSOLUTE MAXIMUM RATINGS Temperature under bias ....................–65 ° +135 ° C Storage temperature .........................–65°C to +150°C Voltage on CS, INC, U/ and P C with respect to V ........................... – ∆ V ...

Page 4

D.C. OPERATING CHARACTERISTICS (V Symbol Parameter I V active current (Increment) CC CC1 I V active current (Store) (EE- CC CC2 PROM Store) I Standby supply current SB I CS, INC, U/D input leakage LI current V CS, INC, U/D ...

Page 5

A.C. OPERATING CHARACTERISTICS (V Symbol Parameter INC setup Cl t INC HIGH to U/D change lD t U/D to INC setup DI (7) t INC LOW period lL (7) t INC HIGH period lH t INC Inactive ...

Page 6

POWER UP TIMING (DIGITAL INPUTS FLOATING, INTERNAL PULLUP ACTION SHOWN 3 INC U/D POWER UP AND DOWN REQUIREMENTS There are no restrictions on the power-up or power-down conditions of V pins provided ...

Page 7

PIN CONFIGURATION DETAILED PIN DESCRIPTIONS Cp and Cm The high (Cp) and low (Cm) terminals of the X90100 are equivalent to the fixed terminals of a mechanical trimmable capacitor. The minimum dc voltage is V and the maximum is V ...

Page 8

When the device is powered-down, the last counter position stored will be maintained in the nonvolatile memory. When power is restored, the contents of the memory are recalled and the capacitor is set to the value last stored. INSTRUCTIONS AND ...

Page 9

PACKAGING INFORMATION Package Width Package Length Package Height Body Thickness Ball Height Ball Diameter Bump Name NC/Test INC 7 U Note: Coordinate (0, package ...

Page 10

PACKAGING INFORMATION 8-Lead Miniature Small Outline Gull Wing Package Type M 0.012 + 0.006 / -0.002 (0.30 + 0.15 / -0.05) 0.036 (0.91) 0.032 (0.81) 0.040 ± 0.002 (1.02 ± 0.05) 0.007 (0.18) 0.005 (0.13) LIMITED WARRANTY Devices sold by ...

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