參數(shù)資料
型號(hào): 74HC244D-T
英文描述: SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits
中文描述: 雙4位非反向緩沖器/驅(qū)動(dòng)器
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 83K
代理商: 74HC244D-T
2003 May 14
10
Philips Semiconductors
Product specification
Dual 2-input NOR gate
74HC2G02; 74HCT2G02
AC WAVEFORMS
handbook, halfpage
MNA718
tPLH
tPHL
VM
10%
VM
90%
VM
VM
nY output
nA, nB input
VI
GND
VOH
VOL
tTLH
tTHL
Fig.5 The input (nA, nB) to output (nY) propagation delays and transition times.
For 74HC2G02: V
M
= 50%; V
I
= GND to V
CC
.
For 74HCT2G02: V
M
= 1.3 V; V
I
= GND to 3.0 V.
handbook, full pagewidth
open
GND
50 pF
VCC
VCC
VI
VO
MNA742
D.U.T.
CL =
RT
RL =
1 k
PULSE
GENERATOR
S1
Fig.6 Load circuitry for switching times.
Definitions for test circuit:
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance should be equal to the output impedance Z
o
of the pulse generator.
TEST
S1
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
open
V
CC
GND
相關(guān)PDF資料
PDF描述
74HC243D-T 4-Bit Bus Transceiver
74HC242D-T 4-Bit Bus Transceiver
74HC241D-T Dual 4-Bit Non-Inverting Buffer/Driver
74HC240D-T Dual 4-Bit Inverting Buffer/Driver
74HCT7245D-T Single 8-bit Bus Transceiver
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