HD74HCT374 Datasheet, PDF (4/8 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops(with inverted 3-state outputs)

HD74HCT374, HD74HCT534
Electrical Characteristics
Item
Input voltage
Output voltage
Off-state output
current
Input current
Quiescent current
Symbol V_CC (V)
V_IH 4.5 to 5.5
V_IL 4.5 to 5.5
V_OH
4.5
4.5
V_OL
4.5
4.5
I_OZ
5.5
Iin
5.5
I_CC
5.5
Ta = 25°C
Min Typ Max
2.0 — —
— — 0.8
4.4 — —
4.18 — —
— — 0.1
— — 0.26
— — ±0.5
— — ±0.1
— — 4.0
Ta = –40 to+85°C
Min Max
2.0
—
—
0.8
4.4
—
4.13
—
—
0.1
—
0.33
—
±5.0
—
±1.0
—
40
Unit
V
V
V
V
µA
µA
µA
Test Conditions
Vin = V_IH or V_IL I_OH = –20 µA
I_OH = –6 mA
Vin = V_IH or V_IL I_OL = 20 µA
I_OL = 6 mA
Vin = V_IH or V_IL,
Vout = V_CC or GND
Vin = V_CC or GND
Vin = V_CC or GND, Iout = 0 µA
Switching Characteristics
Item
Symbol V_CC (V)
Maximum clock
frequency
f_max
4.5
Propagation delay time t_PLH
4.5
t_PHL
4.5
Output enable time
t_ZL
4.5
t_ZH
4.5
Output disable time
t_LZ
4.5
t_HZ
4.5
Setup time
t_su
4.5
Hold time
t_h
4.5
Pulse width
t_w
4.5
Output rise/fall time
t_TLH
4.5
t_THL
Input capacitance
Cin
—
Ta = 25°C
Min Typ Max
— — 30
Ta = –40 to +85°C
Min
Max
—
24
(C_L = 50 pF, Input t_r = t_f = 6 ns)
Unit
Test Conditions
MHz
— 12 28
—
— 15 28
—
— 16 30
—
— 15 30
—
— 13 30
—
— 16 30
—
20
2
—
25
5
0
—
6
16
5
—
20
— 4 12
—
35
ns
35
38
ns
38
38
ns
38
—
ns Data to clock
—
ns Clock to data
—
ns Clock, output control
15
ns
— 5 10
—
10
pF
Test Circuit
V_CC
Input
Pulse Generator
Zout = 50 Ω
Input
Pulse Generator
Zout = 50 Ω
V_CC
Output
OC 1Q to 8Q
or
1Q to 8Q
1D to 8D
Clock
1 kΩ _S1
C_L =
50 pF
OPEN
GND
V_CC
TEST
t_PLH / t_PHL
t_ZH / t_HZ
t_ZL / t_LZ
S1
OPEN
GND
V_CC
Note : 1. C_L includes probe and jig capacitance.
Rev.2.00 Mar 30, 2006 page 4 of 7