參數(shù)資料
型號： SN54HC688FK
廠商： Texas Instruments, Inc.
英文描述： 8-BIT IDENTITY COMPARATORS
中文描述： 8位身分比較器
文件頁數(shù)： 4/6頁
文件大小： 90K
代理商： SN54HC688FK
SN54HC688, SN74HC688
8-BIT IDENTITY COMPARATORS
SCLS010B – DECEMBER 1982 – REVISED MAY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
1.998
SN54HC688
MIN
1.9
SN74HC688
MIN
1.9
UNIT
MIN
1.9
MAX
MAX
MAX
2 V
IOH = –20
μ
A
4.5 V
4.4
4.499
4.4
4.4
VOH
VI = VIH or VIL
6 V
5.9
5.999
5.9
5.9
V
IOH = –4 mA
IOH = –5.2 mA
4.5 V
3.98
4.3
3.7
3.84
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
0.1
0.1
IOL = 20
μ
A
4.5 V
0.001
0.1
0.1
0.1
VOL
VI = VIH or VIL
6 V
0.001
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 5.2 mA
4.5 V
0.17
0.26
0.4
0.33
6 V
0.15
±
0.1
0.26
±
100
0.4
0.33
±
1000
II
ICC
Ci
VI = VCC or 0
VI = VCC or 0,
6 V
±
1000
160
nA
μ
A
pF
IO = 0
6 V
8
80
2 V to 6 V
3
10
10
10
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
113
SN54HC688
MIN
SN74HC688
MIN
UNIT
(OUTPUT)
MIN
MAX
210
MAX
313
MAX
265
2 V
P or Q
P = Q
4.5 V
30
42
63
53
td
tpd
6 V
24
36
53
45
ns
2 V
66
120
179
151
OE
P = Q
4.5 V
16
24
36
30
6 V
14
20
30
26
2 V
38
75
110
95
tt
Any
4.5 V
6 V
8
6
15
13
22
19
19
16
ns
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
40
pF
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