HD74ALVCH16827 Datasheet, PDF (6/9 Pages) Hitachi Semiconductor – 20-bit Buffers / Drivers with 3-state Outputs

HD74ALVCH16827
Switching Characteristics
(Ta = –40 to 85°C)
Item
Symbol V_CC (V) Min
Typ
Max Unit FROM TO
(Input) (Output)
Propagation delay time t_PLH
2.5±0.2 1.0
—
4.1
ns A
Y
t_PHL
2.7
—
—
3.9
3.3±0.3 1.0
—
3.4
Output enable time
t_ZH
2.5±0.2 1.0
—
6.0
ns OE
Y
t_ZL
2.7
—
—
5.7
3.3±0.3 1.0
—
4.7
Output disable time
t_HZ
2.5±0.2 1.9
—
5.6
ns OE
Y
t_LZ
2.7
—
—
4.9
3.3±0.3 1.3
—
4.5
Input capacitance
C_IN
3.3
—
3.3
—
3.5
—
pF Control inputs
6.0
–
Data inputs
Output capacitance
C_O
3.3
—
7.5
—
pF Outputs
• 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±0.2 V
Vcc = 2.7 V,
3.3±0.3 V
t_PLH / t _{PHL OPEN}
OPEN
t_ZH/ t _HZ
GND
GND
t_ZL / t _LZ
4.6 V
6.0 V
Note: 1. C_L includes probe and jig capacitance.
Rev.4.00, Oct.02.2003, page 6 of 8