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参数资料
| 型号： | 74LVC74APW,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 18/19页 |
| 文件大小： | 0K |
| 描述： | IC DUAL D-TYPE FLIP-FLOP 14TSSOP |
| 产品培训模块： | Logic Packages |
| 标准包装： | 2,500 |
| 系列： | 74LVC |
| 功能： | 设置（预设）和复位 |
| 类型： | D 型 |
| 输出类型： | 差分 |
| 元件数： | 2 |
| 每个元件的位元数： | 1 |
| 频率 - 时钟： | 250MHz |
| 延迟时间 - 传输： | 2.5ns |
| 触发器类型： | 正边沿 |
| 输出电流高，低： | 24mA，24mA |
| 电源电压： | 1.2 V ~ 3.6 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TSSOP（0.173"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
74LVC74A
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 7 — 20 November 2012
8 of 19
NXP Semiconductors
74LVC74A
Dual D-type flip-flop with set and reset; positive-edge trigger
[1]
Typical values are measured at Tamb =25 C and VCC = 1.2 V, 1.8 V, 2.5 V, 2.7 V and 3.3 V respectively.
[2]
tpd is the same as tPLH and tPHL.
[3]
Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
[4]
CPD is used to determine the dynamic power dissipation (PD in W).
PD =CPD VCC2 fi N+ (CL VCC2 fo) where:
fi = input frequency in MHz; fo = output frequency in MHz
CL = output load capacitance in pF
VCC = supply voltage in Volts
N = number of inputs switching
(C
L VCC
2
f
o) = sum of the outputs
tsu
set-up time
nD to nCP; see Figure 7
VCC = 1.65 V to 1.95 V
3.0
-
3.0
-
ns
VCC = 2.3 V to 2.7 V
2.5
-
2.5
-
ns
VCC = 2.7 V
2.2
-
2.2
-
ns
VCC = 3.0 V to 3.6 V
2.0
0.8
-
2.0
-
ns
th
hold time
nD to nCP; see Figure 7
VCC = 1.65 V to 1.95 V
2.0
-
2.0
-
ns
VCC = 2.3 V to 2.7 V
1.5
-
1.5
-
ns
VCC = 2.7 V
1.0
-
1.0
-
ns
VCC = 3.0 V to 3.6 V
+1.0
0.2
-
1.0
-
ns
fmax
maximum
frequency
nCP; see Figure 7
VCC = 1.65 V to 1.95 V
100
-
80
-
MHz
VCC = 2.3 V to 2.7 V
125
-
100
-
MHz
VCC = 2.7 V
150
-
120
-
MHz
VCC = 3.0 V to 3.6 V
150
250
-
120
-
MHz
tsk(o)
output skew time VCC = 3.0 V to 3.6 V
-
1.0
-
1.5
ns
CPD
power
dissipation
capacitance
per flip-flop; VI =GND to VCC
VCC = 1.65 V to 1.95 V
-
12.4
-
pF
VCC = 2.3 V to 2.7 V
-
16.0
-
pF
VCC = 3.0 V to 3.6 V
-
19.1
-
pF
Table 8.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9.
Symbol Parameter
Conditions
40 C to +85 C
40 C to +125 C Unit
Min
Typ[1]
Max
Min
Max
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