HD74ALVCH16245 Datasheet, PDF (6/9 Pages) Hitachi Semiconductor – 16-bit Bus Transceivers with 3-state Outputs

HD74ALVCH16245
Switching Characteristics (Ta = –40 to 85°C)
Item
Symbol V_CC (V) Min
Typ
Propagation delay time t_PLH
2.5±0.2 1.0
—
t _PHL
2.7
—
—
3.3±0.3 1.0
—
Output enable time
t _ZH
2.5±0.2 1.0
—
t _ZL
2.7
—
—
3.3±0.3 1.0
—
Output disable time
t _HZ
2.5±0.2 1.0
—
t _LZ
2.7
—
—
3.3±0.3 1.0
—
Input capacitance
Output capacitance
C_IN
3.3
—
4.0
C_O
3.3
—
9.0
Max Unit FROM TO
(Input) (Output)
3.9
ns A or B B or A
3.6
3.2
5.7
ns OE
B or A
5.4
4.4
5.2
ns OE
B or A
4.6
4.1
—
pF Control inputs
—
pF A or B ports
• Test Circuit
500 Ω
*1
C_L= 50 pF
500 Ω
See under table
S1
OPEN
GND
Load Circuit for Outputs
Symbol Vcc=2.5±0.2V
t_PLH / t _{PHL OPEN}
t_ZH/ t _HZ
t_ZL / t _LZ
GND
4.6 V
Vcc=2.7V,
3.3±0.3V
OPEN
GND
6.0 V
Note: 1. C_L includes probe and jig capacitance.
6