GMS81504 Datasheet, PDF (52/54 Pages) List of Unclassifed Manufacturers – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER

HYUNDAI MicroElectronics
GMS81504T PROGRAMMING SPECIFICATION
AC READING CHARACTERISTICS
(V_SS=0 V, T_A = 25°C ± 5°C)
Symbol
tAS
tOE
tDH
NOTES:
Item
Address setup time
Data output delay time
Data hold time
Min Typ Max
2
200
0
1. VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
Unit
us
ns
ns
Test condition
AC PROGRAMMING CHARACTERISTICS
(V_SS=0 V, T_A = 25°C ± 5°C; See DC Characteristics Table for V_DD and V_PP voltages.)
Symbol
Item
Min
Typ
tAS
Address set-up time
2
tOES OE set-up time
2
tDS
Data setup time
2
tAH
Address hold time
0
tDH
Data hold time
1
tDFP Output disable delay time
0
tVPS
VPP setup time
2
tVDS
VDD setup time
2
tPW
Program pulse width
0.95
1.0
tOPW
CE pulse width when over
programming
2.85
tOE
Data output delay time
*AC CONDITIONS OF TEST
Input Rise and Fall Times (10% to 90%) . . . . 20 ns
Input Pulse Levels . . . . . . . . . . . . . . . 0.45V to 4.55V
Input Timing Reference Level . . . . . . . . . 1.0V to 4.0V
Output Timing Reference Level . . . . . . . . 1.0V to 4.0V
Max
1.05
78.75
200
Unit
Condition*
(Note 1)
us
us
us
us
us
us
us
us
ms
ms (Note 2)
ns
NOTES:
1. VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP.
2. The length of the overprogram pulse may vary from 2.85 msec to 78.75 msec as a function of the iteration counter value X
(Intelligent Programming Algorithm only). Refer to page 8.
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