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TC74A23F Datasheet

  • TC74A23F

  • Toshiba CMOS Digital Integrated Circuit Silicon Monolithic

  • 20頁

  • TOSHIBA

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TC94A23F
Toshiba CMOS Digital Integrated Circuit Silicon Monolithic
TC94A23F
Single-chip CD Processor with Built-in Controller
TC94A23F is a single-chip CD processor for digital servo. It
incorporates a 4-bit microcontroller.
The controller features an LCD/LED driver, 4-channel 6-bit AD
converter, 2/3-line serial interface, buzzer, interrupt function, and
8-bit timer/counter. The CPU can select one of three crystal
oscillator operating clocks (16.9344 MHz, 4.5 MHz, and 75 kHz),
facilitating interface with the CD processor.
The CD processor incorporates sync separation protection and
interpolation, EFM decoder, error correction, digital equalizer for
servo, and servo controller. The CD processor also incorporates a
1-bit DA converter. In combination with RF amp TA2153FN or
TA2109F, TC94A23F can very simply configure an
Weight: 1.6 g (typ.)
adjustment-free CD player.
Thus, the IC is suitable for CD systems for automobiles and radio-cassette players.
Features
路
路
路
Single-chip CD processor with built-in CMOS LCE/LED driver and 4-bit microcontroller
Operating voltage:
At CD on: V
DD
= 4.5 to 5.5 V (typ. 5.0 V)
Current dissipation:
At CD off: V
DD
= 3.0 to 5.5 V (only CPU on)
At CD on: I
DD
= 50 mA (typ.)
At CD off: I
DD
= 2 mA (with 4.5 MHz crystal oscillator, only CPU on)
At CD off: I
DD
= 0.3 mA (with 75 kHz crystal oscillator, only CPU on)
路
路
路
Operating temperature range: Ta =
-40~85擄C
Package:
QFP100-P-1420-0.65A (0.65-mm pitch, 2.7-mm thick)
One-time PROM version:
TC94AP09F
1
2002-02-06

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