M27C512-90F6 STMicroelectronics, M27C512-90F6 Datasheet - Page 15

• Manufacturer Part Number: M27C512-90F6
• Description: IC EPROM 512KBIT 90NS 28CDIP
• Manufacturer: STMicroelectronics

Specifications of M27C512-90F6

• Format - Memory: EPROMs
• Memory Type: UV EPROM
• Memory Size: 512K (64K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-CDIP (0.600", 15.24mm) Window
• Memory Configuration: 64K X 8
• Access Time: 90ns
• Supply Voltage Range: 4.5V To 5V
• Memory Case Style: DIP
• No. Of Pins: 28
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 12. Programming Mode AC Characteristics
Note: 1. T
Figure 11. Programming and Verify Modes AC Waveforms
t
Symbol
t
EHQZ
t
t
t
VPLVPH
t
t
t
t
VCHEL
VPHEL
t
EHVPX
t
t
VPLEL
EHQX
QVEL
ELQV
EHAX
AVEL
ELEH
2. V
3. Sampled only, not 100% tested.
A0-A15
Q0-Q7
V CC
GV PP
E
(3)
A
CC
= 25 °C; V
must be applied simultaneously with or before V
t
t
t
t
t
t
t
OEH
Alt
t
t
VCS
OES
PRT
t
t
DFP
t
PW
DS
DH
VR
DV
AH
AS
CC
= 6.25V ± 0.25V; V
Address Valid to Chip Enable Low
Input Valid to Chip Enable Low
V
V
V
Chip Enable Program Pulse Width (Initial)
Chip Enable High to Input Transition
Chip Enable High to V
V
Chip Enable Low to Output Valid
Chip Enable High to Output Hi-Z
Chip Enable High to Address Transition
CC
PP
PP
PP
High to Chip Enable Low
Rise Time
Low to Chip Enable Low
High to Chip Enable Low
tVCHEL
tVPHEL
tQVEL
tAVEL
PP
Parameter
DATA IN
= 12.75V ± 0.25V
PP
Transition
PROGRAM
PP
tELEH
and removed simultaneously or after V
tEHQX
tEHVPX
VALID
tVPLEL
Test Condition
(1,2)
VERIFY
tELQV
PP
DATA OUT
.
Min
50
95
2
2
2
2
2
2
2
0
0
Max
tEHAX
AI00737
105
130
1
tEHQZ
M27C512
Unit
15/22
µs
µs
µs
µs
ns
µs
µs
µs
µs
µs
ns
ns