74LVC32244 데이터 시트보기 (PDF) - Philips Electronics
부품명
상세내역
제조사
74LVC32244 Datasheet PDF : 16 Pages
| |||
Philips Semiconductors
32-bit buffer/line driver; 5 V input/output
tolerant; 3-state
Product specification
74LVC32244A;
74LVCH32244A
AC CHARACTERISTICS
Ground = 0 V; tr = tf ≤ 2.5 ns; CL = 50 pF; RL = 500 Ω.
SYMBOL
tPHL/tPLH
tPZH/tPZL
tPHZ/tPLZ
PARAMETER
propagation delay
nAn to nYn
3-state output enable time
nOE to nYn
3-state output disable time
nOE to nYn
TEST CONDITIONS
WAVEFORMS
see Figs 4 and 6
see Figs 5 and 6
see Figs 5 and 6
VCC (V)
2.7
3.0 to 3.6
2.7
3.0 to 3.6
2.7
3.0 to 3.6
Tamb = −40 to +85 °C
MIN. TYP.(1) MAX.
1.5
−
5.5
1.5
3.0
4.5
1.5
−
6.5
1.5
3.5
5.5
1.5
−
6.2
1.5
3.7
5.2
UNIT
ns
ns
ns
Notes
1. All typical values are measured at VCC = 3.3 V and Tamb = 25 °C.
AC WAVEFORMS
handbook, halfpage VI
nAn
INPUT
GND
VOH
nYn
OUTPUT
VOL
t PHL
VM
VM
t PLH
MNA474
VM = 1.5 V at VCC ≥ 2.7 V or
VM = 0.5 × VCC at VCC < 2.7 V.
VOL and VOH are typical output voltage drop that occur with the output load.
Fig.4 Input nAn to output nYn propagation delay times.
1999 Aug 31
8
Share Link: 