参数资料
型号: 74LCX373MSAX
厂商: Fairchild Semiconductor
文件页数: 10/12页
文件大小: 0K
描述: IC LATCH TRANSP OCT LV 20SSOP
标准包装: 2,000
系列: 74LCX
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 ~ 3.6 V
独立电路: 1
延迟时间 - 传输: 1.5ns
输出电流高,低: 24mA,24mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
74LVCH322245A
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 4 — 20 December 2011
7 of 15
NXP Semiconductors
74LVCH322245A
32-bit bus transceiver with direction pin; 30
resistors; tolerance;
3-state
[1]
All typical values are measured at VCC = 3.3 V and Tamb =25 C.
[2]
The bus hold circuit is switched off when VI >VCC allowing 5.5 V on the input terminal.
[3]
For I/O ports the parameter IOZ includes the input leakage current.
[4]
Valid for data inputs only. Control inputs do not have a bus hold circuit.
[5]
The specified sustaining current at the data input holds the input below the specified VI level.
[6]
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 [4][5]
VCC = 1.65; VI = 1.07 V
10
-
10
-
A
VCC = 2.3; VI = 1.7 V
30
-
25
-
A
VCC = 3.0; 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
Typ[1]
Max
Min
Max
tpd
propagation
delay
nAn to nBn; nBn to nAn; see Figure 4
VCC = 1.2 V
-
12
-
ns
VCC = 1.65 V to 1.95 V
1.5
6.6
16.0
1.5
18.4
ns
VCC = 2.3 V to 2.7 V
1.0
3.5
7.8
1.0
9.1
ns
VCC = 2.7 V
1.0
3.5
6.7
1.0
9.5
ns
VCC = 3.0 V to 3.6 V
1.0
2.9
5.7
1.0
8.5
ns
ten
enable time
nOE to nAn, nBn: see Figure 5
VCC = 1.2 V
-
18
-
ns
VCC = 1.65 V to 1.95 V
2.0
7.7
17.2
2.0
19.8
ns
VCC = 2.3 V to 2.7 V
1.5
4.3
9.4
1.5
10.9
ns
VCC = 2.7 V
1.5
4.6
8.5
1.5
9.5
ns
VCC = 3.0 V to 3.6 V
1.0
3.5
7.5
1.0
7.5
ns
tdis
disable time
nOE to nAn, nBn; see Figure 5
VCC = 1.2 V
-
10
-
ns
VCC = 1.65 V to 1.95 V
2.8
4.6
11.0
2.8
12.7
ns
VCC = 2.3 V to 2.7 V
1.0
2.6
6.3
1.0
7.3
ns
VCC = 2.7 V
1.5
3.4
7.5
1.5
11.0
ns
VCC = 3.0 V to 3.6 V
1.5
3.2
6.5
1.5
8.5
ns
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