参数资料
型号: 7549
厂商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 单芯片8位CMOS微机
文件页数: 68/73页
文件大小: 1272K
代理商: 7549
Rev.2.00
REJ03B0202-0200
Mar 05, 2007
Page 68 of 70
7549 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Switching Characteristics
Switching characteristics (1)
(V
CC
= 4.0 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTE:
1. Pin X
OUT
is excluded.
Switching characteristics (2)
(V
CC
= 2.4 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTE:
1. Pin X
OUT
is excluded.
Switching characteristics (3)
(V
CC
= 1.8 to 5.5 V, V
SS
= 0 V, Ta =
20 to 85
°
C, unless otherwise noted)
NOTE:
1. Pin X
OUT
is excluded.
Fig 82. Switching characteristics measurement circuit diagram
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
d
(S
CLK
-T
X
D)
t
V
(S
CLK
-T
X
D)
t
r
(S
CLK
)
t
f
(S
CLK
)
t
r
(CMOS)
t
f
(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.
t
C
(S
CLK
)/2
30
t
C
(S
CLK
)/2
30
30
Typ.
10
10
ns
ns
ns
ns
ns
ns
ns
ns
Max.
140
30
30
30
30
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
d
(S
CLK
-T
X
D)
t
V
(S
CLK
-T
X
D)
t
r
(S
CLK
)
t
f
(S
CLK
)
t
r
(CMOS)
t
f
(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.
t
C
(S
CLK
)/2
50
t
C
(S
CLK
)/2
50
30
Typ.
20
20
ns
ns
ns
ns
ns
ns
ns
ns
Max.
350
50
50
50
50
t
WH
(S
CLK
)
t
WL
(S
CLK
)
t
d
(S
CLK
-T
X
D)
t
V
(S
CLK
-T
X
D)
t
r
(S
CLK
)
t
f
(S
CLK
)
t
r
(CMOS)
t
f
(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.
t
C
(S
CLK
)/2
70
t
C
(S
CLK
)/2
70
30
Typ.
25
25
ns
ns
ns
ns
ns
ns
ns
ns
Max.
450
70
70
70
70
Measured
output pin
100pF
CMOS output
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