參數資料
| 型號： | 74LVC74ADB,112 |
| 廠商： | NXP Semiconductors |
| 文件頁數： | 18/19頁 |
| 文件大小： | 0K |
| 描述： | IC DUAL D FF POS-EDGE 14SSOP |
| 產品培訓模塊： | Logic Packages |
| 標準包裝： | 78 |
| 系列： | 74LVC |
| 功能： | 設置（預設）和復位 |
| 類型： | D 型 |
| 輸出類型： | 差分 |
| 元件數： | 2 |
| 每個元件的位元數： | 1 |
| 頻率 - 時鐘： | 250MHz |
| 延遲時間 - 傳輸： | 2.5ns |
| 觸發器類型： | 正邊沿 |
| 輸出電流高，低： | 24mA，24mA |
| 電源電壓： | 1.2 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SSOP（0.209"，5.30mm 寬） |
| 包裝： | 管件 |
| 其它名稱： | 74LVC74ADB 74LVC74ADB-ND 935260735112 |
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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