74LVC257ADB View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
74LVC257ADB
Philips Electronics
74LVC257ADB Datasheet PDF : 10 Pages
| |||
Philips Semiconductors
Quad 2-input multiplexer with 5 Volt tolerant
inputs/outputs (3-State)
Product specification
74LVC257A
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
SYMBOL
PARAMETER
TEST CONDITIONS
VIH
HIGH level Input voltage
VCC = 1.2V
VCC = 2.7 to 3.6V
VIL
LOW level Input voltage
VOH HIGH level output voltage
VCC = 1.2V
VCC = 2.7 to 3.6V
VCC = 2.7V; VI = VIH or VIL; IO = –12mA
VCC = 3.0V; VI = VIH or VIL; IO = –100µA
VCC = 3.0V; VI = VIH or VIL; IO = –18mA
VOL LOW level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = –24mA
VCC = 2.7V; VI = VIH or VIL; IO = 12mA
VCC = 3.0V; VI = VIH or VIL; IO = 100µA
VCC = 3.0V; VI = VIH or VIL; IO = 24mA
II
Input leakage current
VCC = 3.6V; VI = 5.5V or GND
IOZ
3-State output OFF-state current
VCC = 3.6V; VI = VIH or VIL; VO = VCC or GND
IOFF Power off leakage current
VCC = 0.0V; VI or VO = 5.5V
ICC
Quiescent supply current
VCC = 3.6V; VI = VCC or GND; IO = 0
∆ICC
Additional quiescent supply current per
input pin
VCC = 2.7V to 3.6V; VI = VCC –0.6V; IO = 0
NOTES:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
LIMITS
Temp = -40°C to +85°C
MIN
TYP1 MAX
VCC
2.0
GND
VCC*0.5
VCC*0.2 VCC
VCC*0.6
VCC*0.8
0.8
0.40
GND 0.20
0.55
"0.1 "5
0.1 "5
0.1 "10
0.1
10
5
500
UNIT
V
V
V
V
µA
µA
µA
µA
µA
AC CHARACTERISTICS
GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF; RL = 500W; Tamb = –40_C to +85_C
SYMBOL
PARAMETER
WAVEFORM
tPHL/tPLH
tPHL/tPLH
Propagation delay
nl0 to nY
nl1 to nY
Propagation delay
S to nY
Figures 1, 3
Figures 1, 3
tPZH/tPZL
3-state output enable time
OE to nY
Figures 2, 3
tPHZ/tPLZ
3-state output disable time
OE to nY
Figures 2, 3
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.
VCC = 3.3V ±0.3V
MIN TYP1 MAX
1.5
3.9
5.1
1.5
3.5
6.4
1.5
3.7
6.5
1.5
3.2
5.2
LIMITS
VCC = 2.7V
MIN TYP1 MAX
1.5
3.3
6.1
1.5
4.3
7.5
1.5
4.6
7.5
1.5
3.5
6.2
VCC = 1.2V
TYP
UNIT
11
ns
14
ns
15
ns
12
ns
1998 Jul 29
5
Share Link: