參數(shù)資料
型號(hào): 935221210026
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 總線收發(fā)器
英文描述: LV/LV-A/LVX/H SERIES, OCTAL 1-BIT DRIVER, TRUE OUTPUT, UUC
封裝: DIE IN WAFFLE
文件頁(yè)數(shù): 12/14頁(yè)
文件大?。?/td> 168K
代理商: 935221210026
Philips Semiconductors
Product specification
74LV244
Octal buffer/line driver (3-State)
1998 May 20
7
TEST CIRCUIT
SWITCH POSITION
PULSE
GENERATOR
RT
VI
D.U.T.
VO
CL
RL = 1k
VCC
Test Circuit for Outputs
DEFINITIONS
VCC
VI
< 2.7V
VCC
TEST
tPLH/tPHL
RT = Termination resistance should be equal to ZOUT of pulse generators.
2.7V
2.7–3.6V
w 4.5V
VCC
50 pF
SV00896
S1
tPLZ/tPZL
tPHZ/tPZH
Open
2 * VCC
GND
RL = 1k
Open
2 * VCC
GND
RL = Load resistor
CL = Load capacitance includes jig and probe capacitiance.
Figure 3. Load circuitry for switching times.
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