TSC87C52
21
MATRA MHS
Rev. C – 10 Sept 1997
Preliminary
EPROM Programming and Verification Characteristics
T
A
= 21
°
C to 27
°
C; VSS = 0V; VCC = 5V
±
10%.
Symbol
Parameter
Min
Max
Units
VPP
Programming Supply Voltage
12.5
13
V
IPP
Programming Supply Current
75
mA
1/TCLCL
Oscillator Frquency
4
6
MHz
TAVGL
Address Setup to PROG Low
48 TCLCL
TGHAX
Adress Hold after
PROG
48 TCLCL
TDVGL
Data Setup to PROG Low
48 TCLCL
TGHDX
Data
Hold after
PROG
48 TCLCL
TEHSH
(Enable) High to VPP
48 TCLCL
TSHGL
VPP Setup to PROG Low
10
μ
s
TGHSL
VPP
Hold after
PROG
10
μ
s
TGLGH
PROG Width
90
110
μ
s
TAVQV
Address to Valid Data
48 TCLCL
TELQV
ENABLE Low to Data Valid
48 TCLCL
TEHQZ
Data Float after ENABLE
0
48 TCLCL
TGHGL
PROG High to PROG Low
10
μ
s
EPROM Programming and Verification Waveforms
TGHGL
TGHSL
TEHSH
ALE/PROG
TAVGL
5
Pulses
TDVGL
P0
P1.0–P1.7
P2.0–P2.4
EA/VCC
CONTROL
SIGNALS
(ENABLE)
ADDRESS
DATA IN
VCC
TELQV
VPP
VCC
TGHAX
TGHDX
TGLGH
TSHGL
ADDRESS
DATA OUT
TAVQV
TEHQZ
PROGRAMMING
VERIFICATION
