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SC68C752B bảng dữ liệu(PDF) 34 Page - NXP Semiconductors

tên linh kiện SC68C752B
Giải thích chi tiết về linh kiện  5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs and 68 mode 關P interface
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SC68C752B bảng dữ liệu(HTML) 34 Page - NXP Semiconductors

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SC68C752B_4
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 04 — 20 January 2010
34 of 48
NXP Semiconductors
SC68C752B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
10. Static characteristics
[1]
Meets TTL levels, VIL(min) = 2 V and VIH(max) = 0.8 V on non-hysteresis inputs.
[2]
Applies for external output buffers.
[3]
These parameters apply for D[7:0].
[4]
These parameters apply for DTRA, DTRB, RTSA, RTSB, RXRDYA, RXRDYB, TXRDYA, TXRDYB, TXA, TXB.
[5]
Except XTAL2, VOL =1V typical.
[6]
These junction temperatures reflect simulated conditions. Absolute maximum junction temperature is 150
°C. The customer is
responsible for verifying junction temperature.
[7]
Applies to external clock; crystal oscillator max. 24 MHz.
[8]
Measurement condition, normal operation other than Sleep mode:
VCC = 3.3 V; Tamb =25 °C. Full duplex serial activity on all two serial (UART) channels at the clock frequency specified in the
recommended operating conditions with divisor of 1.
Table 26.
Static characteristics
Tolerance of VCC = ± 10 %.
Symbol Parameter
Conditions
VCC =2.5 V
VCC =3.3 V and 5V
Unit
Min
Typ
Max
Min
Typ
Max
VCC
supply voltage
VCC − 10 %
VCC
VCC +10% VCC − 10 %
VCC
VCC +10% V
VI
input voltage
0
-
VCC
0-
VCC
V
VIH
HIGH-level
input voltage
[1]
1.6
-
VCC
2.0
-
VCC
V
VIL
LOW-level input
voltage
[1]
-
-
0.65
-
-
0.8
V
VO
output voltage
[2]
0-
VCC
0-
VCC
V
VOH
HIGH-level
output voltage
IOH = −8mA
[3]
--
-
2.0
-
-
V
IOH = −4mA
[4]
--
-
2.0
-
-
V
IOH = −800 μA
[3]
1.85
-
-
-
-
-
V
IOH = −400 μA
[4]
1.85
-
-
-
-
-
V
VOL
LOW-level
output voltage
IOL =8mA
[3][5]
--
-
-
-
0.4
V
IOL =4mA
[4][5]
--
-
-
-
0.4
V
IOL =2mA
[3][5]
-
-
0.4
---
V
IOL =1.6 mA
[4][5]
-
-
0.4
---
V
Ci
input
capacitance
-
-
18
-
-
18
pF
Tamb
ambient
temperature
operating
−40
+25
+85
−40
+25
+85
°C
Tj
junction
temperature
[6]
0
+25
+125
0
+25
+125
°C
fXTAL1
frequency on
pin XTAL1
[7]
-
-
50
-
-
80
MHz
δ
clock duty cycle
-
50
-
-
50
-
%
ICC
supply current
f = 5 MHz
[8]
--
3.5
-
-
4.5
mA
ICC(sleep) sleep mode
supply current
-
-
200
-
-
200
μA



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