参数资料
型号: 74VHC373MX
厂商: Fairchild Semiconductor
文件页数: 5/9页
文件大小: 0K
描述: IC LATCH OCT D 3STATE 20SOIC
标准包装: 1
系列: 74VHC
逻辑类型: D 型透明锁存器
电路: 8:8
输出类型: 三态
电源电压: 2 V ~ 5.5 V
独立电路: 1
延迟时间 - 传输: 5ns
输出电流高,低: 8mA,8mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 标准包装
其它名称: 74VHC373MXDKR
74VHC373
Octal
D-T
ype
Latc
h
with
3-ST
A
TE
Outputs
1993 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74VHC373 Rev. 1.3
5
AC Electrical Characteristics
Notes:
3. Parameter guaranteed by design. tOSLH = |tPLH max – tPLH min |; tOSHL = |tPHL max – tPHL min|
4. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load. Average operating current can be obtained by the equation:
ICC (opr.) = CPD VCC fIN + ICC/8 (per Latch). The total CPD when n pcs. of the Latch operates can be
calculated by the equation: CPD(total) = 14 + 13n.
AC Operating Requirements
Symbol
Parameter
VCC (V)
Conditions
TA = +25°C
TA = –40°C to
+85°C
Units
Min.
Typ.
Max.
Min.
Max.
tPLH, tPHL Propagation Delay
Time (LE to On)
3.3 ± 0.3
CL = 15pF
7.0
11.0
1.0
13.0
ns
CL = 50pF
9.5
14.5
1.0
16.5
5.0 ± 0.5
CL = 15pF
4.9
7.2
1.0
8.5
ns
CL = 50pF
6.4
9.2
1.0
10.5
tPLH, tPHL Propagation Delay
Time (D to On)
3.3 ± 0.3
CL = 15pF
7.3
11.4
1.0
13.5
ns
CL = 50pF
9.8
14.9
1.0
17.0
5.0 ± 0.5
CL = 15pF
5.0
7.2
1.0
8.5
CL = 50pF
6.5
9.2
1.0
10.5
tPZL, tPZH 3-STATE Output
Enable Time
3.3 ± 0.3
RL = 1k
CL = 15pF
7.3
11.4
1.0
13.5
ns
CL = 50pF
9.8
14.9
1.0
17.0
5.0 ± 0.5
CL = 15pF
5.5
8.1
1.0
9.5
ns
CL = 50pF
7.0
10.1
1.0
11.5
tPLZ, tPHZ 3-STATE Output
Disable Time
3.3 ± 0.3
RL = 1k
CL = 50pF
9.5
13.2
1.0
15.0
ns
5.0 ± 0.5
CL = 50pF
6.5
9.2
1.0
10.5
tOSLH,
tOSHL
Output to Output
Skew
3.3 ± 0.3
(3)
CL = 50pF
1.5
ns
5.0 ± 0.5
CL = 50pF
1.0
CIN
Input Capacitance
VCC = Open
4
10
pF
COUT
Output Capacitance
VCC = 5.0V
6
pF
CPD
Power Dissipation
Capacitance
(4)
27
pF
Symbol
Parameter
VCC (V)
TA = +25°C
TA = –40°C to +85°C
Units
Min.
Typ.
Max.
Min.
Max.
tW(H)
Minimum Pulse Width
(LE)
3.3 ± 0.3
5.0
ns
5.0 ± 0.5
5.0
tS
Minimum Set-Up Time
3.3 ± 0.3
4.0
ns
5.0 ± 0.5
4.0
tH
Minimum Hold Time
3.3 ± 0.3
1.0
ns
5.0 ± 0.5
1.0
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