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7549 bảng dữ liệu(PDF) 71 Page - Renesas Technology Corp

tên linh kiện 7549
Giải thích chi tiết về linh kiện  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  84 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
Trang chủ  http://www.renesas.com
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7549 bảng dữ liệu(HTML) 71 Page - Renesas Technology Corp

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Rev.2.01
Oct 15, 2007
Page 71 of 81
REJ03B0202-0201
7549 Group
(7) Switching Characteristics
Table 23 Switching characteristics (1)
(VCC = 4.0 to 5.5 V, VSS = 0 V, Ta =
−20 to 85 °C, unless otherwise noted)
NOTE:
1. Pin XOUT is excluded.
Table 24 Switching characteristics (2)
(VCC = 2.4 to 5.5 V, VSS = 0 V, Ta =
−20 to 85 °C, unless otherwise noted)
NOTE:
1. Pin XOUT is excluded.
Table 25 Switching characteristics (3)
(VCC = 1.8 to 5.5 V, VSS = 0 V, Ta =
−20 to 85 °C, unless otherwise noted)
NOTE:
1. Pin XOUT is excluded.
Fig 84. Switching characteristics measurement circuit diagram
tWH(SCLK)
tWL(SCLK)
td(SCLK-TXD)
tV(SCLK-TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(CMOS)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time
Serial I/O output valid time
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 1)
CMOS output falling time (Note 1)
Symbol
Parameter
Limits
Unit
Min.
tC(SCLK)/2
−30
tC(SCLK)/2
−30
−30
Typ.
10
10
ns
ns
ns
ns
ns
ns
ns
ns
Max.
140
30
30
30
30
tWH(SCLK)
tWL(SCLK)
td(SCLK-TXD)
tV(SCLK-TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(CMOS)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time
Serial I/O output valid time
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 1)
CMOS output falling time (Note 1)
Symbol
Parameter
Limits
Unit
Min.
tC(SCLK)/2
−50
tC(SCLK)/2
−50
−30
Typ.
20
20
ns
ns
ns
ns
ns
ns
ns
ns
Max.
350
50
50
50
50
tWH(SCLK)
tWL(SCLK)
td(SCLK-TXD)
tV(SCLK-TXD)
tr(SCLK)
tf(SCLK)
tr(CMOS)
tf(CMOS)
Serial I/O clock output “H” pulse width
Serial I/O clock output “L” pulse width
Serial I/O output delay time
Serial I/O output valid time
Serial I/O clock output rising time
Serial I/O clock output falling time
CMOS output rising time (Note 1)
CMOS output falling time (Note 1)
Symbol
Parameter
Limits
Unit
Min.
tC(SCLK)/2
−70
tC(SCLK)/2
−70
−30
Typ.
25
25
ns
ns
ns
ns
ns
ns
ns
ns
Max.
450
70
70
70
70
Measured
output pin
100 pF
CMOS output



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