參數(shù)資料
型號(hào): 935261959112
廠商: NXP SEMICONDUCTORS
元件分類: 總線收發(fā)器
英文描述: AHCT/VHCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: 4.40 MM, PLASTIC, MO-153AC, SOT-360-1, TSSOP-20
文件頁數(shù): 2/16頁
文件大?。?/td> 80K
代理商: 935261959112
1999 Sep 28
10
Philips Semiconductors
Product specication
Octal buffer/line driver; 3-state
74AHC244; 74AHCT244
Fig.5 The 3-state output enable and disable times.
handbook, full pagewidth
MNA172
tPLZ
tPHZ
outputs
disabled
outputs
enabled
VOH 0.3 V
VOL + 0.3 V
outputs
enabled
OUTPUT
LOW-to-OFF
OFF-to-LOW
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
nOE INPUT
VI
VCC
VM
VOL
VOH
GND
tPZL
tPZH
VM
FAMILY
VI INPUT
REQUIREMENTS
VM
INPUT
VM
OUTPUT
AHC
GND to VCC
50% VCC
AHCT
GND to 3.0 V
1.5 V
50% VCC
Fig.6 Load circuitry for switching times.
TEST
S1
tPLH/tPHL
open
tPLZ/tPZL
VCC
tPHZ/tPZH
GND
handbook, full pagewidth
open
GND
VCC
VI
VO
MNA183
D.U.T.
CL
RT
1000
PULSE
GENERATOR
S1
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