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参数资料
| 型号： | 74AHCT02PWDH |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 通用总线功能 |
| 英文描述： | Quad 2-input NOR gate |
| 中文描述： | AHCT/VHCT SERIES, QUAD 2-INPUT NOR GATE, PDSO14 |
| 封装： | PLASTIC, TSSOP-14 |
| 文件页数： | 2/16页 |
| 文件大小： | 74K |
| 代理商： | 74AHCT02PWDH |
1999 Sep 23
2
Philips Semiconductors
Product specification
Quad 2-input NOR gate
74AHC02; 74AHCT02
FEATURES
ESD protection:
HBM EIA/JESD22-A114-A
exceeds 2000 V
MM EIA/JESD22-A115-A
exceeds 200 V
CDM EIA/JESD22-C101
exceeds 1000 V
Balanced propagation delays
All inputs have Schmitt-trigger
actions
Inputsacceptsvoltageshigherthan
V
CC
For AHC only:
operates with CMOS input levels
For AHCT only:
operates with TTL input levels
Specified from
40 to +85 and +125
°
C.
DESCRIPTION
The 74AHC/AHCT02 are high-speed
Si-gate CMOS devices and are pin
compatible with low power Schottky
TTL (LSTTL). They are specified in
compliance with JEDEC standard
No. 7A.
The 74AHC/AHCT02 provides the
Quad 2-input OR function.
FUNCTION TABLE
See note 1.
Note
1.
H = HIGH voltage level;
L = LOW voltage level.
INPUT
OUTPUT
nA
nB
nY
L
L
H
H
L
H
L
H
H
L
L
L
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
≤
3.0 ns.
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
+
∑
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
∑
(C
L
×
V
CC2
×
f
o
) = sum of outputs;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts.
The condition is V
I
= GND to V
CC
.
2.
PINNING
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
AHC
AHCT
t
PHL
/t
PLH
propagation delay
nA, nB to nY
input capacitance
output capacitance
power dissipation
capacitance
C
L
= 15 pF;
V
CC
= 5 V
V
I
= V
CC
or GND
2.9
3.8
ns
C
I
C
O
C
PD
3.0
4.0
7.0
3.0
4.0
8.0
pF
pF
pF
C
L
= 50 pF;
f = 1 MHz;
notes 1 and 2
PIN
SYMBOL
DESCRIPTION
1, 4, 10 and 13
2, 5, 8 and 11
3, 6, 9 and 12
7
14
1Y to 4Y
1A to 4A
1B to 4B
GND
V
CC
data outputs
data inputs
data inputs
ground (0 V)
DC supply voltage
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| 74AHCT04APWJ | 功能描述:74AHCT04APW/SOT402/TSSOP14 制造商:nexperia usa inc. 系列:74AHC 零件状态:在售 逻辑类型:反相器 电路数:6 输入数:6 特性:- 电压 - 电源:4.5 V ~ 5.5 V 电流 - 静态（最大值）:75mA 电流 - 输出高，低:8mA，8mA 逻辑电平 - 低:0.1 V ~ 0.36 V 逻辑电平 - 高:3.94 V ~ 4.5 V 不同 V，最大 CL 时的最大传播延迟:7.7ns @ 5V，50pF 工作温度:-40°C ~ 125°C（TA） 安装类型:表面贴装 供应商器件封装:14-TSSOP 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 标准包装:2,500 |
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