参数资料
型号: 74HCT4520N,112
厂商: NXP Semiconductors
文件页数: 6/7页
文件大小: 0K
描述: IC DUAL 4BIT SYNC BINARY 16DIP
产品培训模块: Logic Packages
标准包装: 1,000
系列: 74HCT
逻辑类型: 二进制计数器
方向:
元件数: 2
每个元件的位元数: 4
复位: 异步
计时: 同步
计数速率: 58MHz
触发器类型: 正,负
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-DIP
包装: 管件
74LVCH322244A
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3 — 16 December 2011
6 of 14
NXP Semiconductors
74LVCH322244A
32-bit buffer/line driver; 30
resistors; 5 V tolerance; 3-state
[1]
All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb =25 C.
[2]
The bus hold circuit is switched off when VI > VCC, allowing 5.5 V on the input terminal.
[3]
Valid for data inputs only. Note that control inputs do not have a bus hold circuit.
[4]
The specified sustaining current at the data input holds the input below the specified VI level.
[5]
The specified overdrive current at the data input forces the data input to the opposite logic input state.
10. Dynamic characteristics
IBHH
bus hold HIGH
current
VCC = 1.65 V; VI = 1.07 V
10
-
10
-
A
VCC = 2.3 V; VI = 1.7 V
30
-
25
-
A
VCC = 3.0 V; VI = 2.0 V
75
-
60
-
A
IBHLO
bus hold LOW
overdrive
current
VCC = 1.95 V
200
-
200
-
A
VCC = 2.7 V
300
-
300
-
A
VCC = 3.6 V
500
-
500
-
A
IBHHO
bus hold HIGH
overdrive
current
VCC = 1.95 V
200
-
200
-
A
VCC = 2.7 V
300
-
300
-
A
VCC = 3.6 V
500
-
500
-
A
Table 6.
Static characteristics …continued
At recommended operating conditions. Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
40 C to +85 C
40 C to +125 C
Unit
Min
Typ[1]
Max
Min
Max
Table 7.
Dynamic characteristics
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 6.
Symbol Parameter
Conditions
Tamb = 40 C to +85 C 40 C to +125 C Unit
Min
Max
Min
Max
tpd
propagation
delay
nAntonYn; see Figure 4
VCC = 1.2 V
-
11.0
-
ns
VCC = 1.65 V to 1.95 V
1.5
6.0
15.0
1.5
17.2
ns
VCC = 2.3 V to 2.7 V
1.0
3.2
7.4
1.0
8.2
ns
VCC = 2.7 V
1.0
3.3
6.7
1.0
8.5
ns
VCC = 3.0 V to 3.6 V
1.0
2.7
5.8
1.0
7.5
ns
ten
enable time
nOE to nYn; see Figure 5
VCC = 1.2 V
-
15.0
-
ns
VCC = 1.65 V to 1.95 V
1.7
6.8
15.3
1.7
17.7
ns
VCC = 2.3 V to 2.7 V
1.5
3.8
8.0
1.5
8.9
ns
VCC = 2.7 V
1.5
4.2
7.6
1.5
9.5
ns
VCC = 3.0 V to 3.6 V
1.0
3.1
6.0
1.0
7.5
ns
tdis
disable time
nOE to nYn; see Figure 5
VCC = 1.2 V
-
10.0
-
ns
VCC = 1.65 V to 1.95 V
2.2
3.9
8.2
2.2
9.5
ns
VCC = 2.3 V to 2.7 V
0.5
2.1
4.4
0.5
5.0
ns
VCC = 2.7 V
1.5
3.1
4.7
1.5
6.0
ns
VCC = 3.0 V to 3.6 V
1.5
2.8
4.5
1.5
6.0
ns
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