MM74C914 Hex Schmitt Trigger with Extended Input Voltage
October 1987
Revised January 1999
MM74C914
Hex Schmitt Trigger with Extended Input Voltage
General Description
The MM74C914 is a monolithic CMOS Hex Schmitt trigger
with special input protection scheme. This scheme allows
the input voltage levels to exceed V
CC
or ground by at least
10V (V
CC
鈭?5V
to GND
+
25V), and is valuable for applica-
tions involving voltage level shifting or mismatched power
supplies.
The positive and negative-going threshold voltages, V
T+
and V
T鈭?/div>
, show low variation with respect to temperature
(typ 0.0005V/擄C at V
CC
=
10V). And the hysteresis, V
T+
鈭?/div>
V
T鈭?/div>
鈮?/div>
0.2 V
CC
is guaranteed.
Features
s
Hysteresis:
s
Special
Range
0.45 V
CC
(typ.) 0.2 V
CC
guaranteed
protection: Extended
Input
Voltage
input
s
Wide supply voltage range: 3V to 15V
s
High noise immunity: 0.7 V
CC
(typ.)
s
Low power TTL compatibility:
Fan out of 2 driving 74L
Ordering Code:
Order Number
MM74C914M
MM74C914N
Package Number
M14A
N14A
Package Description
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150鈥?Narrow
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300鈥?Wide
Device also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Connection Diagrams
Pin Assignments for DIP
Special Input Protection
Top View
8V
鈮?/div>
25V
for the diodes.
漏 1999 Fairchild Semiconductor Corporation
DS005917.prf
www.fairchildsemi.com
MM74C914N 產(chǎn)品屬性
25
集成電路 (IC)
邏輯 - 柵極和逆變器
74C
逆變器，緩沖器
6
1
施密特觸發(fā)器
3 V ~ 15 V
-
8mA，8mA
0.7 V ~ 2.1 V
4.3 V ~ 12.9 V
200ns @ 10V，50pF
-40°C ~ 85°C
通孔
14-DIP
14-DIP（0.300"，7.62mm）
管件
74C91474C914N
MM74C914N相關(guān)型號PDF文件下載
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