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ST2349 데이터시트(PDF) 13 Page - STMicroelectronics

부품명 ST2349
상세설명  4-bit dual supply level translator without direction control pin
PDF  23 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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ST2349 데이터시트(HTML) 13 Page - STMicroelectronics

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ST2349
Electrical characteristics
13/23
5.2
AC characteristics (device driven by totem pole driver )
Table 10.
AC characteristics (test conditions: VL =1.65 – 1.8 V (load CL =15 pF; Rup =10kΩ; driver
tr =tf ≤ 2 ns) over temperature range -40 °C to 85 °C)
Symbol
Parameter
VCC =1.8–2.5 V
VCC =2.7–3.6 V
VCC =4.3 – 5.5 V
Unit
Min
Max
Min
Max
Min
Max
tRVCC
Rise time I/OVCC
73
4
ns
tFVCC
Fall time I/OVCC
73
3
ns
tRVL
Rise time I/OVL
64
5
ns
tFVL
Fall time I/OVL
44
4
ns
tI/OVL-
VCC
Propagation delay time
I/OVL-LH to I/OVCC-LH
I/OVL-HL to I/OVCC-HL
tPLH
65
4
ns
tPHL
55
5
ns
tI/OVCC-
VL
Propagation delay time
I/OVCC-LH to I/OVL-LH
I/OVCC-HL to I/OVL-HL
tPLH
65
4
ns
tPHL
4.5
5.2
7
ns
tPZL tPZH
tPLZ tPHZ
Output enable and
disable time
En
10
10
10
ns
Dis
40
40
40
ns
DR
Data rate(1)
1.
The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O
signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation not less than 30%.
12
32
32
MHz
Table 11.
AC characteristics (test conditions: VL =2.5 – 2.7 V (load CL =15pF; Rup =10kΩ; driver
tr =tf ≤2 ns) over temperature range -40 °C to 85 °C)
Symbol
Parameter
VCC =2.7
−3.6 V
VCC =4.3
−5.5 V
Unit
Min
Max
Min
Max
tRVCC
Rise time I/OVCC
64
ns
tFVCC
Fall time I/OVCC
33
ns
tRVL
Rise time I/OVL
55
ns
tFVL
Fall time I/OVL
33
ns
tI/OVL-VCC
Propagation delay time
I/OVL-LH to I/OVCC-LH
I/OVL-HL to I/OVCC-HL
tPLH
3.5
3
ns
tPHL
44
ns
tI/OVCC-VL
Propagation delay time
I/OVCC-LH to I/OVL-LH
I/OVCC-HL to I/OVL-HL
tPLH
2.5
2.1
ns
ns
tPHL
44
ns
ns



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