参数资料
型号: SN74HC373DB
厂商: Texas Instruments, Inc.
英文描述: OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
中文描述: 有三态输出的8个透明D型锁存器
文件页数: 4/7页
文件大小: 107K
代理商: SN74HC373DB
SN54HC373, SN74HC373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS140B – 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
SN54HC373
MIN
1.9
SN74HC373
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 = –6 mA
IOH = –7.8 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 = 6 mA
IOL = 7.8 mA
4.5 V
0.17
0.26
0.4
0.33
6 V
0.15
±
0.1
±
0.01
0.26
±
100
±
0.5
0.4
0.33
±
1000
II
IOZ
ICC
Ci
VI = VCC or 0
VO = VCC or 0
VI = VCC or 0,
6 V
±
1000
±
10
160
nA
μ
A
μ
A
pF
6 V
±
5
80
IO = 0
6 V
8
2 V to 6 V
3
10
10
10
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25
°
C
MIN
80
SN54HC373
MIN
120
SN74HC373
MIN
100
UNIT
MAX
MAX
MAX
2 V
tw
Pulse duration, LE high
4.5 V
16
24
20
ns
6 V
14
20
17
2 V
50
75
63
tsu
Setup time, data before LE
4.5 V
10
15
13
ns
6 V
9
13
11
2 V
20
26
24
th
Hold time, data after LE
4.5 V
6 V
10
10
13
13
12
12
ns
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