ITT - Index of

ITT54194,ITT74194
4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTERS
.;
absolute maximum ratings over operating
free-air temperature range (unless otherwise noted)
Supply voltage. vee (See Note 1) .......................... 7V
Input voltage (see Note 1) .................................... 5.5V
Operating free-air temperature range
ITT54194 ........................................ -55°C to 125°C
ITT74194 ................................................. 0° C to 70°C
Storage temperature range ........... -65°C to 150° C
Note:
1. Voltage values are with respect to network
ground terminal.
recommended operating conditions
-
Supply voltage. Vee
ITT54194
ITT74194
Min Nom Max Min Nom Max Unit
4.5 5 5.5 4.75 5 5.25 V
Normalized fan-out from each output. N High logic level 20 20
low logic level 10 10
Input clock freq uency. fclock 0 25 0 25 MHz
Width of clock or clear pulse. tw 20' 20 ns
S etup time. tsetup (See Figure 1 ) Mode control 30 30 ns
Serial and 20 20 ns
parallel data
Clear 25 25 ns
in active- state
Hold time at any input. thold 0 0 ns
Operating free-air temperature. T A -55 125 0 70 °e
ElECTR ICAl CHARACTERISTICS over recommended operating free-air temperature range
(unless otherwise noted)
Parameter Min Typ' Max Unit Test Conditions 2
VIH High-level input voltage 2 V
Vil low-level input voltage O.B V
V1 Input clamp voltage -1.5 V Vee = MIN. Ii = -12mA
VOH High-level output voltage 2.4 V Vee = MIN. VIH = 2V.
VIL = O.BV. IOH = -BOO u.A
Val low-level output voltage 0.4 V Vee = MIN. VIH = 2V.
VIL = O.BV. IOl = 16mA
Ii Input current at maximum input 1 mA Vee = MAX. VI = 5.5V
voltage
IIH High-level input current- 40 uA Vee = MAX. VI = 2.4V
3-239