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74VCX16244TTR View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
74VCX16244TTR LOW VOLTAGE CMOS 16-BIT BUS BUFFER (3-STATE) WITH 3.6V TOLERANT INPUTS AND OUTPUTS ST-Microelectronics
STMicroelectronics ST-Microelectronics
74VCX16244TTR Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
74VCX16244
CAPACITIVE CHARACTERISTICS
Test Condition
Value
Symbol
Parameter
VCC
(V)
TA = 25 °C
Unit
Min. Typ. Max.
CIN
Input Capacitance
1.8, 2.5 or 3.3 VIN = 0 or VCC
6
pF
COUT Output Capacitance
1.8, 2.5 or 3.3 VIN = 0 or VCC
7
pF
CPD Power Dissipation Capacitance 1.8, 2.5 or 3.3 fIN = 10MHz
20
pF
(note 1)
VIN = 0 or VCC
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/16 (per
circuit)
TEST CIRCUIT
TEST
tPLH, tPHL
tPZL, tPLZ (VCC = 3.0 to 3.6V)
tPZL, tPLZ (VCC = 2.3 to 2.7V or 1.8V)
tPZH, tPHZ
CL = 30 pF or equivalent (includes jig and probe capacitance)
RL = R1 = 500or equivalent
RT = ZOUT of pulse generator (typically 50)
WAVEFORM SYMBOL VALUES
Symbol
VIH
VM
VX
VY
3.0 to3.6V
2.7V
1.5V
VOL + 0.3V
VOH - 0.3V
VCC
2.3 to 2.7V
VCC
VCC/2
VOL + 0.15V
VOH - 0.15V
SWITCH
Open
6V
2VCC
GND
1.8V
VCC
VCC/2
VOL + 0.15V
VOH - 0.15V
7/11
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