74HC6323A Datasheet, PDF (11/15 Pages) NXP Semiconductors – Programmable ripple counter with oscillator; 3-state

Philips Semiconductors
Programmable ripple counter with
oscillator; 3-state
Product specification
74HC/HCT6323A
handbook, halfpage
R _bias = 560 kΩ
VCC
0.47 µF _input
vi
(f = 1 kHz)
output ^{100 µF}
A io
GND
MGA645
24
handbook, hga_fl_sfpage
(mA/V)
20
MBA331
16
12
8
4
0
0
1
2
3
4
5
6
VCC (V)
Fig.5 Test set-up for measuring forward
transconductance g_fs = di_o/dv_i at
v_o is constant (see also Fig.6); MR = HIGH.
Fig.6 Typical forward transconductance g_fs as a
function of the supply voltage V_cc at
T_amb = 25 °C.
handbook, full pagewidth
X1 INPUT
OUT OUTPUT
1/f max
V
(1)
M
t _PHL
tW
V
(1)
M
t _THL
t _PLH
t _TLH
MBA318
(1) HC : V_M = 50%; V_I = GND to V_CC.
HCT : V_M = 1.3 V; V_I = GND to 3 V.
Fig.7 Waveforms showing the clock (X1) to output (OUT) propagation delays, the clock pulse width,
the output transition times and the maximum clock frequency.
September 1993
11