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PCF8562
Datasheet
General description
The PCF8562 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) with low multiplex rates. It generates the drive signals for any static or multiplexed LCD containing up to four backplanes and up to 32 segments. The PCF8562 is compatible with most microprocessors/microcontrollers and communicates via a two-line bidirectional I2C-bus. Communication overheads are minimized by a display RAM with auto-incremental addressing, by hardware subaddressing and by display memory switching (static and duplex drive modes).
Features
- Single-chip LCD controller/driver
- Selectable backplane drive configuration: static or 2/3/4 backplane multiplexing
- Selectable display bias configuration: static, 1/2 and 1/3
- Internal LCD bias generation with voltage-follower buffers
- 32 segment drives: up to sixteen 8-segment numeric characters; up to eight 15-segment alphanumeric characters; or any graphics of up to 128 elements
- 32 x 4-bit RAM for display data storage
- Auto-incremental display data loading across device subaddress boundaries
- Display memory bank switching in static and duplex drive modes
- Versatile blinking modes
- Independent supplies possible for LCD and logic voltages
- Wide power supply range: from 1.8 V to 5.5 V
- Wide logic LCD supply range: from 2.5 V for low-threshold LCDs and up to 6.5 V for guest-host LCDs and high-threshold (automobile) twisted nematic LCDs
- Low-power consumption
- 400 kHz I2C-bus interface
- Transistor-Transistor Logic (TTL)/CMOS compatible
- Compatible with 4-bit, 8-bit or 16-bit microprocessors or microcontrollers
- No external components
- Compatible with chip-on-glass technology
- Manufactured using silicon gate CMOS process
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| PCF8562TT/2 | PCF8562TT/2-T | 9352 762 18518 | Volume production | SOT362-1
(TSSOP48) | Reel Dry Pack, SMD, 13" | Standard Marking | PCF8562TT/2
| Always Pb-free |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| PCF8562TT/2 | 9352 762 18518 | 0.7200 | NA | DIGI-KEY CORPORATION | 2,000 | 6/29/2008 | Buy online | not available |
| NA | ARROW ELECTRONICS | 2,000 | 7/3/2008 | Buy online | ||||
| NA | AVNET ELECTRONICS MARKETING | 2,000 | 7/3/2008 | Buy online | ||||
| NA | MOUSER ELECTRONICS | 1,713 | 7/3/2008 | Buy online | ||||
| NA | DIGI-KEY CORPORATION | 1,596 | 6/29/2008 | Buy online | ||||
| NA | FUTURE ELECTRONICS | 1,122 | 7/3/2008 | Buy online |
Applications
Related applications
LCD display - discretes focus
Intelligent washing machine
Car radio CD / MP3 player
Technical documents
Support Documents
75013239;
I 2 C Logic Selection Guide (2005-01-12)
Parametrics/similar products
| Type number | Package | Application | LOGIC VOLTAGE RANGE(V) | LCD VOLTAGE V op(max)(V) | ON-CHIP BIAS VOLTAGE GENERATOR | Interfaces | Drive capability number of segments at a multiplex rate, 1:3 | Drive capability number of segments at a multiplex rate, 1:4 | Drive capability number of segments at multiplex rate, 1:1 | Drive capability number of segments at multiplex rate, 1:2 |
|---|---|---|---|---|---|---|---|---|---|---|
| PCF8562TT/2 | SOT362-1
(TSSOP48) | Segment Driver for LCD displays | 2.5 to 5.5 | 5.5 | yes | I2C-bus | 120 | 160 | 40 | 80 |
Similar products
PCF8562 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.
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