ITT - Index of

ITT945, ITT948
CLOCKED FLIP-FLOPS
ELECTRICAL CHARACTERISTICS ITT945-5.ITT948-5 (TA = aoe to +75°e. Vee = 5.av ±5%)
-55°C
Limits
+25°C +125°C
Symbol Characteristic Min. Max. Min. Typ. Max. Min. Max. 'Units Conditions anti Comments
VOH
Output High Voltage 945
948
2.6
4.3
2.6 2.5 Volts VCC = 5.0V.IOH = -120)JA
4.3 4.2 VCC = 5.0V.lOH = -120)JA
VOL
Output Low Voltage
945
948
0.45 0.45 VCC - 5.0V.IOL - 16.8 rnA
0.45 0.45 Volts VCC = 5.0V.IOL = 16.0 rnA
0.5 VCC = 5.0V.IOL = 15.4 mA
0.5 VCC = 5.0V.IOL = 14.6 rnA
VIH
Input High Voltage
2.1
1.9 1.7 Volts Guaranteed input high threshold
for all inputs
VIL
IR
Input Low Voltage
Input L:eakage. all
J·K S. C. SO. Co inputs
1.4 1.1 0.8 Volts Guaranteed input low threshold
lor a II inputs
5.0 5.0 10.( M VCC = 5.0V. VR = 4.0V
Gnd on other inputs
IRCP
IF
Input Leakage.
CP inputs
Input Current. all
J.K.S.C inputs
Input Current. CP Inputs
945
948
10.0 10.0 20.( JlA VCC = 4.0V. VR = 4.0V
GNO on other inputs
-0.95 -0.95 -0.90 mA VCC = 5.0V. VF = 0.4V
4.0V on other inputs
I
-2.8 -2.8 -2.66
-2.24. -2.24 -21~
IFSI
Input Current. CO. So input
-2.8 -2.8 -2.66 mA
IpO
VCC Current 945
948
15.0 mA VCC = 5.0V.lnputs Open
17.5
Icex
Output Leakage Current
100.0 )JA VCC = Veex = 5.0V
ISC
Output Short Circuit Current
945
948
0.59
1.77
1.41 0.59 1.41 0.55 1.38 rnA VCC = 5.0V
4.2 1.77 4.2 1.6 4.0 VOUT = GNO
IMAX
Maximum VCC Current
945
948
17.0 rnA
17.5
VCC = 8.0 . All inputs GNO
tpd+
Turn Off Delay
945
948
35 75 ns VCC'= 5.0V
30 65 RL = 2.0K. CL = 30pf
tpd-
Turn On Delay
945
948
30 75 ns RL = 330 n. CL = 50p!
30 75
tpd TEST CIRCUIT
r--­
I
I
~.::TL @VIN........,!f--~
PULSE
I
WIDTH I c a K I
>IOOns I I;:,r I
L __ -t- __ ...J
VOUT
Your
+3V
'----- +0.4V
---+I.SV
--JdS:
GND
---'---~~===- GND
4-19