ITT - Index of

GENERAL INFORMATION ITT54/74 SERIES TTL FAMILY
ABSOLUTE MAXIMUM RATINGS
(above which the useful life of the device may be
impaired)
Continuous supply voltage V CC (Note 1) ............. 7 V
Input voltage .......................................................... 5.5 V
Voltage betweel:' inputs ....................................... 5.5 V
Continuous input current ............................... -1 0 mA
Standard output voltage ....................... -0.5 to 5.5 V
Storage temperature! ..................... -65°C to 150°C
Note 1
This rating is reduced to 5.5 V if unused inputs are
connected directly to V CC.
STANDARD CHARACTERISTICS (limits apply over the full range of operating temperature and for standard
totem pole output except where otherwise stated).
PARAMETER LIMIT (Note 8) CONDITIONS
Min. Typ.
Max. Unit VCC
VIH 2.0 V Min. VOL 2.4 V (Note 1)
Vll 0.8 V Min. VOL 2.4 V (Note 2)
VOL (standard output) 0.22 0.4 V Min. IOl = 20 mAo VIH = 2 VorVll = 0.8 V
(Note 3)
VOH 2.4 3.3 V Min. VIL = 0.8VorVOH = 2.0 V (Note 4)
ICEX open collector only 250 uA Min. Vll = 0.8 V. VIH = 2 V. VOUT = max.
o/p voltage rating
-IF 2.0 mA Max. VF = 0.4 V (Note 5)
IR 50 uA Max. VR = 2.4 V. input loading-1 unit
loacl (Note 6)
IR 1.0 mA Max. VR = 5.5 V irrespective of input loading
-ISC
54 series 40 100 mA Max. VOUT = 0 V (Note 7)
Where characteristics for devices differ from the above table these are shown in the data sheets.
Note 1
Condition at outputs dependent on the truth table
of the device. For example. for gates and buffers.
VOl :S0.4V applies. and for flip-flops. either VOL
:S0.4V orVOH ~2.4V applies at each output. Output
conditions do not apply for 74H60.
Note 2
Conditions at outputs dependent on the truth table
of the device. for example; for gates and inverters
VO H >2.4V. Output conditions do not apply for
devices with open collector output. This parameter
does not apply for 7413. 74121.
Note 3
Conditions VIH and Vil depend on device truth
table.
Note 4
This parameter for totem pole output devices only;
Vll and VIH apply according to the truth table. IOH
= -500 uA for devices with Fan-o.ut =10; IOH
= -1.0mA for 54H/74H74; IOH = -1.5mAfor
54H174H40. ..
Note 5
limits apply for an input loading of 1· unit load; for
other input loadings multiply limits by number of
unit loads. For flip-flops. see appropriate data for
test conditions.
Note 6
All other inputs at OV for 74H72. 74H73.74H76.
For 74H74 consult data sheet. limits to be multiplied
by the input loading of the device.
3-14b