參數(shù)資料
型號(hào): M74HCT688M1R
廠商: STMICROELECTRONICS
元件分類: 算術(shù)邏輯單元
英文描述: HCT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20
封裝: SO-20
文件頁數(shù): 1/9頁
文件大?。?/td> 284K
代理商: M74HCT688M1R
1/9
September 2001
s
HIGH SPEED:
tPD = 21ns (TYP.) at VCC = 4.5V
s
LOW POWER DISSIPATION:
ICC = 4A(MAX.) at TA=25°C
s
COMPATIBLE WITH TTL OUTPUTS :
VIH = 2V (MIN.) VIL = 0.8V (MAX)
s
SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
s
BALANCED PROPAGATION DELAYS:
tPLH tPHL
s
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 688
DESCRIPTION
The M74HCT688 is an high speed CMOS 8 BIT
EQUALITY COMPARATOR fabricated with silicon
gate C2MOS technology.
The M74HCT688 compares bit for bit two 8-bit
words applied on inputs P0 - P7 and inputs Q0 -
Q7 and indicates whether or not they are equal. A
single active low enable is provided to facilitate
cascading
several
packages
to
enable
comparison of words greater than 8 bits.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
M74HCT688
8 BIT EQUALITY COMPARATOR
PIN CONNECTION AND IEC LOGIC SYMBOLS
ORDER CODES
PACKAGE
TUBE
T & R
DIP
M74HCT688B1R
SOP
M74HCT688M1R
M74HCT688RM13TR
TSSOP
M74HCT688TTR
TSSOP
DIP
SOP
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
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