HD74BC534A Datasheet, PDF (5/9 Pages) Hitachi Semiconductor – Octal D Type Flip Flops With 3 State Outputs

Switching Test Method (C_L = 50 pF)
Item
Symbol
Propagation
CK → Q t_PLH
delay time
t _PHL
Output enable time
t _ZH
t _ZL
Output disable time
t _HZ
t _LZ
Setup time
t_s(H)
t_s(L)
Hold time
t_h(H)
t_h(L)
Pulse width
t_w(H)
t_w(L)
Input capacitance
C_IN
Output capacitance
C_O
Ta = 25°C
V_CC = 5.0 V
Min
Max
3.0
8.0
3.0
8.0
3.0
9.0
3.0
9.0
3.0
8.0
3.0
8.0
2.0
—
2.0
—
2.0
—
2.0
—
6.0
—
6.0
—
3.0(Typ)
15.0(Typ)
HD74BC534A
Ta = –40 to 85°C
V_CC = 5.0 V ±10%
Min
Max
3.0
10.0
3.0
10.0
3.0
11.0
3.0
11.0
3.0
10.0
3.0
10.0
2.0
—
2.0
—
2.0
—
2.0
—
6.0
—
6.0
—
—
—
Unit Test Conditions
ns See under figure
ns
ns
ns
ns
ns
pF V_IN = V_CC or GND
pF V_O = V_CC or GND
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 Ω
Input
Pulse Generator
Zout = 50 Ω
VCC
Output
G
1Q to 8Q
1D to 8D
CL =
50 pF
450 Ω
50 Ω Scope
CK
Notes:
1. C_L includes probe and jig capacitance.
2. OPEN: t_PLH, t_PHL, t_ZH, t_HZ, t_h, t_s, t_w
7V: t_ZL, t_LZ
OPEN
7V _*2
5