SC68C652B datasheet(29/43 Pages) NXP

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SC68C652B_2

Product data sheet

Rev. 02 — 2 November 2009

29 of 43

NXP Semiconductors

SC68C652B

Dual UART with 32-byte FIFOs and IrDA encoder/decoder

Static characteristics

[1]

Except XTAL2; VOL = 1 V typical.

Table 28.

Static characteristics

Tamb = −40 °C to +85 °C; tolerance of VCC ± 10 %, unless otherwise speciﬁed.

Symbol

Parameter

Conditions

VCC = 2.5 V

VCC = 3.3 V

VCC = 5.0 V

Unit

Min

Max

Min

Max

Min

Max

VIL(clk)

clock LOW-level input voltage

−0.3

0.45

−0.3

0.6

−0.5

0.6

VIH(clk)

clock HIGH-level input voltage

1.8

VCC

2.4

VCC

3.0

VCC

VIL

LOW-level input voltage

except X1 clock

−0.3

0.65

−0.3

0.8

−0.5

0.8

VIH

HIGH-level input voltage

except X1 clock

1.6

2.0

2.2

VOL

LOW-level output voltage

on all outputs

[1]

IOL =5mA

(data bus)

0.4

IOL =4mA

(other outputs)

0.4

IOL =2mA

(data bus)

0.4

----

IOL = 1.6 mA

(other outputs)

0.4

----

VOH

HIGH-level output voltage

IOH = −5mA

(data bus)

----

2.4

IOH = −1mA

(other outputs)

2.0

---

IOH = −800 µA

(data bus)

1.85

IOH = −400 µA

(other outputs)

1.85

ILIL

LOW-level input leakage

current

±10

µA

IL(clk)

clock leakage current

±30

µA

ICC

supply current

3.5

4.5

ICC(sleep)

sleep mode supply current

200

µA

input capacitance

-5-5-5

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